# data[].attributes.body
14. C) Atomic Number because when you read left from right the Atomic numbers of the elements go up
16. C) Pressure because volume, temperature, density are not used to describe the average the kinetic energy of the particles in a sample of matter
11. C) Formula Mass because the definition of the formula mass is the sum of the Atomic masses of the atoms in a molecule
24. A) FeO because the oxidation states of each element cancel each other out
19. D) Temperature because if the reaction is endothermic energy is being absorbed and exothermic releases energy based on how high or low the temperature is

# data[].attributes.body
The answer to question 20 is choice b because the collision theory requires two particles with a proper energy and orientation to react with each other.

# data[].attributes.body
Answer is A because "iron oxidizes" is the only answer that shows a chemical property.

# data[].attributes.body
#11,B, The nucleus has a positive charge because it has all the protons.
#24,C, Based on table S Oxygen has the highest electronegativity being 3.4.
#15,A, Based on the Periodic Table Te is  metalloid.
#13,C, The gold-foil experiment determined that electrons were mainly empty.
#7, The radius of a cesium ion will be smaller than that of a cesium atom because it loses an elctron

# data[].attributes.body
The answer to question 4 is choice b because the valence electrons of any atom is always in the outermost shell.

# data[].attributes.body
The answer to question 19 is choice d because the atomic radius, decay mode, nor catalyst have any effect on equilibrium.

# data[].attributes.body
Answer is B because graphite and diamond are allotropes of carbon so crystal structures is the only thing that can be different.

# data[].attributes.body
number 7 is A due to the relationship between atomic number and number of electrons
number 11: Formula mass is the sum of atomic masses of the atoms in a molecule so the answer is C
number 17 is B because gases will have the same volume if they have the same molecules
number 19 is D because temperature affects the equilibrium of chemical reactions
the formula for iron[II] oxide is FeO so the answer is A
diamond and graphite have different properties due to their electron configuration so the answer is  D

# data[].attributes.body
Choice D because the equation did not show any replacement so it can’t be choice b or c and the equation does not decrease or get smaller so it cant be decomposition so it’s choice D synthesis

# data[].attributes.body
The answer to question 11 is choice c because formula mass combines all of the masses of an atom in a molecule.

# data[].attributes.body
24: A This was a educated guess, 19: chemical equillibrium, 9: A NH4NO3 was the best choice because thats what is represented, 11: B 2 electrons are gained because its mg2+, 1: A the heat is tranfering from the copper cube to iron cube, 4: C common sensethe higher the lower the enertgy becomes, 20: C this is shown thjat the electron has a negative charge which leads to the nucleus on the outside, 22:A the atoms must have the same number of protons ane neutrons, 10:B this is double replacement becuase two things are being replaced going to one formula, 5:B this was a educated guess, 6:A this question you have to look at the periodic table, 16:Dthis was a educated guess, 21:C i struggled with this one i guessed

# data[].attributes.body
It’s choice D because electrons have a negative charge and are located in the orbitals around the nucleus. Protons and neutrons are in the nucleus and have positive and neutral charge

# data[].attributes.body
11 A because electron are which contain the positive  charge.
3.

# data[].attributes.body
Packet 1b
First row:
9-A
Ammonium nitrate is NH4NO3
10-D
synthesis because 2 products one reactant
14-oof
I tried. I failed.
21-D
The same protons and electrons means neutrality
2-B
avogadro's law

# data[].attributes.body
The answer to question 18 is choice d because the only change occurring is a phase change of solid to gas which is physical and transforming into a gas makes an exothermic reaction.

# data[].attributes.body
Answer is D because they aren't allotropes so they differ in both chemical and physical properties.

# data[].attributes.body
The answer to question 10 is choice a because the other choices either describe atoms or chemical reactions.

# data[].attributes.body
Answer is 5 because halogens have the highest electronegativity since noble gases don't have electronegativity

# data[].attributes.body
Mixture 4 has a high tee freezing point than water

# data[].attributes.body
The answer to question 24 is choice a because both elements balance out at an oxidation state of 2 with 1 of each element.

# data[].attributes.body
Answer is C because if you look at Table H you'll see that at 50 degrees C it's 83 kPa.

# data[].attributes.body
1a
#20: B because Collision theory has to do with the transfer of energy between molecules
#4: B Because valence electrons are found in the outermost shell
#19: D because temp and catalyst are the only answers having to do with equilibrium but a catalyst doesn't shift it
#11: C because formula mass is the sum of atomic weights
#18: A because since heat is needed to change solid to gas the change is endothermic and since boiling is taking place it's chemical
#10: A because empirical and molecular formulas are the only chemical formulas
#24: A because the combine ratio is 1:1 which simplifies FeO
#19: D because temp and catalyst are the only answers having to do with equilibrium but a catalyst doesn't shift it
#16: D because temperature is the only way of measuring kinetic energy
#3: B because protons aren't equal to neutrons and answers c and d wouldn't show why atoms are neutral
#17: B because of ideal gas law
#21: A because on a diagram a catalyst is lower than the regular activation rate
#19: D because temp and catalyst are the only answers having to do with equilibrium but a catalyst doesn't shift it
#7: A because when going from left to right atomic number increases
#8: B because copper is a metal and mostly metals are described as malleable

# data[].attributes.body
Answer is A because it's the only one that makes sense out of the 4 choicew

# data[].attributes.body
The answer to question 16 is choice d because kinetic energy is constant with temperature

# data[].attributes.body
The answer to question 3 is choice b because protons are positive and electrons are negative so having an equal amount balance the positive and negative to a neutral charge.

# data[].attributes.body
Answer is A because when you minus 11 protons with the 10 neutrons you get a positive 1 so the answer is choice A

# data[].attributes.body
Answer is A because in the ideal gas law particles are in a constant, random, straight line motion and have no attractive force.

# data[].attributes.body
The answer to question 17 is choice b because they have an equal volume at STP.

# data[].attributes.body
Answer is B because nature has a tendency towards low energy and higher entropy.

# data[].attributes.body
The answer to question 21 is choice a because catalysts lower activation energies in a reaction to speed up reactions.

# data[].attributes.body
Answer is A because 2- means having 2 more neutrons than protons and A is the only one with 2 more neutrons than protons

# data[].attributes.body
It’s choice A because H2O has a greater molecular size of water compared to H2S

# data[].attributes.body
The answer to question 7 is choice a because elements are arranged in order from their atomic numbers.

# data[].attributes.body
Packet 1b
first column
13-c
mC(change in T)
18-Collision theory states that increased surface are

# data[].attributes.body
The answer to question 8 is choice b because copper is a metal and metals are malleable.

# data[].attributes.body
Answer is D because Avogadro's Law says that in order for gas samples to have the same number of molecules you need to have the same volume, pressure, and temperature.

# data[].attributes.body
The answer is d because the + sign means that the ion loses electrons so choice d is the only choice that make the ion lose electrons

# data[].attributes.body
The answer to question 18 is D because II and IV gas samples have equal pressure, volume, and temperature.

# data[].attributes.body
The answer to question 12 is C because reactant particles colliding with the correct amount of energy and correct rotation will cause a chemical reaction.

# data[].attributes.body
The answer to question 3 is D because Iodine has 5 electron shells, more than the other elements have. More electron shells cause a bigger radius.

# data[].attributes.body
Question #1: A- is the answer because iron combines with oxygen to form rust

# data[].attributes.body
The answer to question 7 is C because on Table H, at 50 degrees the pressure shows as 83 kPa.

# data[].attributes.body
Answer is A because 2 moles of NO2 is +66.4 kJ and half of that to get 1 mole is +33.2 kJ

# data[].attributes.body
#4,A, (334j/g) is the heat of fusion for water.
#23,C, Thermal & temperature are basically the same thing but electronegativity and chemical are not types of energy.
#22,B, Metallic because the valence electrons are mobile.
#6, Krypton

# data[].attributes.body
The answer is choice b because when you use the combined gas law and plug all the numbers into the variable and cross multiply you get 6.15 as x

# data[].attributes.body
Answer is C because 42 electrons minus 19 protons equals 23 neutrons.

# data[].attributes.body
The answer to question 4 is D because carbon monoxide and carbon dioxide have two amounts of oxygen, causing them to always have different chemical properties and different physical properties.

# data[].attributes.body
The answer to question 8 is D because CH has 4 hydrogens, creating a asymmetrical bond and being polar.

# data[].attributes.body
The answer for question #13 is B. The answer is B because when you do the math, your answer will be B.

# data[].attributes.body
Answer is D because it is the only answer that is true.

# data[].attributes.body
The answer to question 19 is A because NO2 originally has 2 moles at +66.4kJ, but at 1 mole, NO2 has +33.2kJ.

# data[].attributes.body
the answer choice is C because the chemical reaction represents a single replacement and it only has one compound.

# data[].attributes.body
The answer for question #2 is C because the amount of liters of Ne(g) is equal to the amount of grams of H20(g).

# data[].attributes.body
The answer to question 10 is A because ideal gas particles always move randomly and in a straight line motion. They also have no attractive forces.

# data[].attributes.body
the answer choice is C because the vapor pressure of propane at 50

# data[].attributes.body
the answer choice is D because carbon monoixide and carbon dioxide have different chemical properties and different physical structures.

# data[].attributes.body
#20,D, Its polar
#12,B, Protons and Neutrons both have mass,electrons dont have mass, positrons arent real.
#25,D, High temperature and  low pressure.
#8,

# data[].attributes.body
The answer to question 25 is D because malleability can be a type of identification to display differences. Sodium and iodine can be differentiated because sodium is malleable but iodine is not malleable.

# data[].attributes.body
25. 4 moles because 3 moles of O2 times 2 gives you 6 moles of O2 which was produced so 2 moles of KClO3 Times 2 will give you 4 moles
22. A) Crystal Structures because as seen in the chart their properties differ
12. D) H2 + energy —> H + H because when the energy is added the bond breaks apart
9.  A) Ne because it has the lowest density on Table S ( Page 10) of the reference table

# data[].attributes.body
The answer to question 21 is D because 2 moles of C create 1 mole of the product. 4 moles of C creates 2 moles of the product.

# data[].attributes.body
The answer to question 22 is C because 42(atomic mass)- 19(atomic number/protons/electrons) = 23 neutrons.

# data[].attributes.body
Question #2: B- is the answer because the differences are explained by how carbon atoms within each substance are covalently bonded together.

# data[].attributes.body
The answer to question 11 is B because 273K is the standard temperature.

# data[].attributes.body
The answer to question 15 is D because the spectra represents electrons moving lower from higher states.

# data[].attributes.body
2-B
22-A
1-C
9-10/12
4-A
7- Atoms are much more larger than Ions
25-C
1-c
19-A
5-C
18-A
16-B
1-C
13-C
10-B

# data[].attributes.body
The answer is choice b because the electron configuration does not have a 1 at the end meaning it is in excited state

# data[].attributes.body
The answer is choice b because atoms that are isotopes if the same element have the same amount of protons but different amount of neutrons

# data[].attributes.body
The answer is choice A because heat always flows to the lowest temperature so the heat from the copper block would flow towards the iron block because it’s temperature is lower

# data[].attributes.body
The answer to Question #12 is A because when it is least polar, we are trying to find the least amount of attraction. There is less attraction between HI.

# data[].attributes.body
The answer to Question #10 is D because 2H2 combined with O2 to creat 2H2O.  It synthesizes and creates energy.

# data[].attributes.body
The answer to question #7 is C because all other choices are electron configurations at normal state. Answer C is the only one that is not.

# data[].attributes.body
The answer for question #14 is D because when you plug in the numbers into Boyle's gas law, your final volume is gonna be 24.6L

# data[].attributes.body
The answer to question #25 is D because Silicon is the only metalloid there according to the reference table.

# data[].attributes.body
The answer to question #16 is D because Zinc has a faster reaction rate rather than the other metals.

# data[].attributes.body
The answer to question #3 is A because water has more molecules and it has a larger boiling point rather than H2S.

# data[].attributes.body
The answer to question #5 is C because LeChatelier's principle talks about the amount of stress for systems. C is the only one that talks about stress.

# data[].attributes.body
The answer for question #18 is that if you increase the surface area, there will be more collisions and this allows to forward reaction to increase more.

# data[].attributes.body
The answer to Question #4 is B because in nature, animals look for less disturbance but more energy. So if the entropy is low, it will shift towards that certain area.

# data[].attributes.body
The answer for question #19 is that if both reactions reach equilibrium, there will be no reaction thus it will never shift left or right. It doesn't favor the reactants or products.

# data[].attributes.body
1. The test tube is open which will prevent equilibrium
13. B) Electronegativity because electronegativity is when an atom is able to attract and electron from a chemical bond
4. B) The Outer Most Shell because Valance electrons are in the last shell of the electron configuration of an atom
2. B) Mostly empty space and has a small, positively charged nucleus because this was one of the early discoveries of chemistry and more importantly this was the conclusion Ernest Rutherford made after the experiment

# data[].attributes.body
The answer is choice B because at 18 liters you would have the same amount of atoms in Ar(g) that you would have in Ne(g)

# data[].attributes.body
The answer is choice C because when you convert it from Celsius to kelvins and then use the specific heat capacity equation you get 9.1x10^3J

# data[].attributes.body
(first diagonal)
22) the answer is choice B because copper is a metal,not a nonmetal, so it can't be an ionic,polar or nonpolar, or even a covalent bond.
18) the answer is choicce A because they're both compounds but they don't have the same properties because of the extra O involved.
7) A cesium ion loses electrons so it's radius decreases.
3) I used the combined gas law. I substituted the extra numbers in the corresponding places. I switched the volume for the variable X because it was what I was trying to find. Then I solved for X receiving C as the correct answer.
(Second diagonal)
11) the answer choice is c because the neuclues is made up of protons and neutrons. But neutrons have no charge only protons in the nucleus do. Therefore the o really charge woukd be positive.
11) did it ^
23) the answer is choice B because electronegativity isn't energy, it's the attraction of of electrons and temperature isn't the correct term nor is it energy. Thermal, nuclear, and electromagnetic are energy
5) the answer is c because entropy favors high disorder and low pressure choice C would be the best answer because the H2O molecules goes from liquid to gas and gas has high disorder.
1) in order for me to do d the number of miles I had to work backwards. So I divided 44 g/mol by 220 and got 0.20 moles which is answer choice A.
19) the answer is choice B because molecular is another name for covalent, and covalent and ionic compounds are both categories of compounds.
(Middle row)
7) I did it ^
25) low pressure and high energy are found in choice D
5) same^
4) the equation is heat of fusion so 334 would definitely be incorporated and the only equation withtnhe number is choice A
2) the answer is choice C because you're trying to find percent compostion so you need part over whole  times 100 which is only shown by choice c.

# data[].attributes.body
Question#8 A- is the answer because the only reasonable one must be symmetrical and non polar to describe the charge distribution.
Question#12 C- is the answer because chemical reactions can only happen if reactant particles collide with enough energy.
Question #24 B- is the answer because a mixture is when 2 or more particles are mixed together

# data[].attributes.body
22(B) if two atoms are isotopes of the same element then they have the same number of protons, but a different amount neutrons.
15(B) the answer is B because it represents the orientation when the molecules collide with proper energy
5(C) LeChatelier's principle is used to predict the effect of a stress on the system.
10(D) It is synthesis because the molecules on the reactant side combined in the product side
24(A) it is A because it is atomic mass
11(D) The radius increases because the Mg2+ ion loses 2 electrons
23(B) it is b because the 2 electrons in the fourth shell has the greatest effect on chemical properties.
5(C)LeChatelier's principle is used to predict the effect of a stress on the system.
1(A) I put A because the hottest would transfer to the coldest
19 dynamic equilibrium so everything is constant.
14(b) if you plug in the numbers and solve you get 6.15
8(B) aluminum is the only one that has a melting point less than 1000k
5(C)LeChatelier's principle is used to predict the effect of a stress on the system.
12(A) it is a because the difference between the electronegativity is smallest between I and H.
9(A) it is a because you can find your answer on the reference table