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Each person must contribute equally to your "Group"

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Each person must contribute equally to your "Group"

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Each piece of information should be a separate "post"

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You must include the following information as separate posts:

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You must include the following information as separate posts:

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Elements that are included in that family (can be text or image) with the symbol and atomic number of each

Images of the elements

How many valence electrons?

What charge do most of the elements form as ions?

What are the similarities of the family of elements? Ex: appearance, conductivity, reactivity, state of matter, etc

What are the varying traits in the family? Ex: state, reactivity, density, charge, melting point, etc

What are some common uses for the elements in your family?

Find a school appropriate YouTube clip that provides interesting and relevant information about your family of elements

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Fluorine - F #9
Chlorine - Cl #17
Bromine - Br #35
Iodine - I #53
Astatine - At #85

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He- 2
Ne- 10
Ar- 18
Kr- 36
Xe- 54
Rn- 86
Og- 118

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Carbon, Silicon, Tin, Lead, Germanium, Flerovium, and Rutherfordium.

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Oxygen-  2
Sulfur- 16
Selenium- 34
Tellurium- 52
Polonium- 84

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Nitrogen(N)(7), phosphorus(P)(15), arsenic(As)(33), antimony(Sb)(51), bismuth(Bi)(83)

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How many valence electrons are in this groups

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How many valence electrons are in this groups

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Halogen elements have seven valence electrons

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most elements in the transition metals family have 2 valence electrons

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alkaline earth metals have 2 valance electrons

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Li-3
Na-11
K-19
Rb-37
Cs-55
Fr-87

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+2 charged ions

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Noble gases have eight electrons in their outermost shell, expect for helium which has two.

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youtube video https://www.youtube.com/watch?v=oROFW0EHu2U

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Most of the elements form charges of -1

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shiny, silvery white, low melting and boiling points, very reactive but less than alkali metals, low density, solid

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-calcium chloride as a deicer
-limestone as a white pigment in paints and toothpaste
Strontium is widely used in fireworks and magnets
-Barium compounds can be used in paints, filler for rubber, plastic, and resins, and as a contrast medium for X-rays

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- All form acids when combined with hydrogen
- highly reactive and electronegative
-Relatively low melting and boiling points that increase steadily down the group

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The elements can be used in lamps such as neon lights, headlights, and lasers. Helium is used in balloons and deep sea diving.

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shiny; soft; very reactive; two valence electrons

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- Fluorine and Chlorine are naturally gases, Bromine is a liquid, and Iodine is a solid
- Reactivity increases the further down the family
- Temperature needed to melt becomes higher the further down the family
- Rarity of each element increases the further down the family

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Each element in the Carbon Family has four valence electrons

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All elements in the boron family are highlighted

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most elements in this family have a charge of +2

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All Alkali Metals just have one (1) Valence Electron.

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All of the elements have the same number of valence electrons, which is six.

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elements in the nitrogen family have 5 valance electrons.

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As ions, all of the elements in the Alkali Metals family have a charge of +1 forming cations.

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Most Elements in the carbon family have a charge of +4

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Mg, Be, Ca, Sr, Ba, Ra

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different melting points, states of matter (ex. mercury is a liquid), can form covalent bonds easier than regular metals, form bonds with more negative ions, and are electronegative.

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-all conduct electricity
-fluoresce
-odorless
-colorless
-very stable

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They are shiny, soft, metals.

They are very reactive.

They all have one valence electron in the outermost shell

They are malleable, ductile, and good conductors of electricity and heat.

They have a low density when compared to other metals.

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-Used in some chemicals like chlorine
-Used often for sanitation purposes
-Especially bleaching agents and disinfectants
-Commonly used in the military and oil industries

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most of the elements have a charge of -3 when they form ions.

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The most common charge for the oxygen family is -2

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Since most are solid metals, they are most commonly used for manufacturing. Iron is made into steel and copper is a good conductor of electricity.

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They react with water, they are highly reactive, and they cannot be found in nature. The highest melting point of alkali metals is 179C and the lowest is -78C. The boiling points range from 1342C to 677C. Their densities at 20C range from 0.534 grams per cubic cenimeter to 1.873.

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-contain atoms that have 4 electrons in their outer energy level
-as you move down the periodic table in the carbon family, the atomic radius and ionic radius increase while electromagnetically and ionization energy decrease
-elements are stable and tend to be nonreactive
-density increases as the group moves down

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Carbon- melting point 3,700,  boiling point 4,027, density 2.26 g/cc
Silicon- melting point 1,414, boiling point 3,265, density 2.3290 g/cm3
Germanium- melting point 938.25, boiling point 2,833, density around 5.5 g/cm3
Tin- melting point 231.93, boiling point 2,602, density 7.287 g/cm3
Lead- melting point 327.5, boiling point 1,749, density 11.3g/cm3
Flarvoium- melting point unknown, boiling point unknown , density unknown
Rutherfordium- melting point unknown, boiling point unknown, density unknown

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Most of the elements have a charge of 0.

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-Electronegativity
-Electron affinity
-Relative Reactivity

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They can conduct electricity, compounds are stable, but also toxic.

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Table salt
Atomic clocks
Sodium vapor lamps
Fertilizers
Ingredients to gunpowder, paper, and soap

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Comparing the four halogens - Chemical elements: properties and reactions (2/8)

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Transition metals and their properties | Matter | Chemistry | FuseSchool

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-number of protons increase as you go further down the family
-all of the gases except for Rn have stable isotopes

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Most elements in my family is used for cleaning, also aluminum is used on the Earth's crust to prevent oxidation

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The elements all have different melting points. Their densities all vary. They are different states. Nitrogen is a gas and Arsenic is a solid.

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The carbon family elements are important in daily life and in industry. Carbon is the basis for organic life. Its graphite is used in pencils and rockets. Living organisms, proteins, plastics, food, and organic building materials all contain carbon

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The elements have different states. Oxygen is a gas, while the others are solids. They also have different melting points and are not the same color. Some are metallic metals and some are transparent gasses.

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high density, good conductors, high melting and boiling point, easily bent or hammered into shape, usually hard and tough

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All elements in the boron family have 3 valence electrons

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All elements in the boron family have 3 valence electrons

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https://www.youtube.com/watch?v=Gsp4X-NkmbY

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Most of the elements form a positive charge, except for boron

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Most of the elements form a positive charge, except for boron

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They are typically used to create acids such as sulfuric acids.
Oxygen is a strong oxidizer.
Sulfur is found in pun powder and rubber.
Selenium is used for the production of solar cells.
Tellurium is used for pigments specifically for stained glass.
Polonium is unstable and radioactive so it has no use.

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They have 3 valence electrons
They are white metals (except boron)
They have a low melting point (except boron)

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Nitrogen - is used to make dyes and explosives. when it is mixed with hydrogen it creates ammonia.
Phosphorus - is used to make the tips of matches and LED lights.
Arsenic - can be used to make special types of glass and preserve wood.
Antimony - can be used to make flame resistant materials
Bismuth - is used to make fire detectors, and fire extinguishers

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Group 15 Elements: The Nitrogen Family | General Trends

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-They can form many compounds with different oxidation states
-They can form compounds with different colors
-Have alloy properties, construction advantages, electricity conductivity, and there use as catalysts.
-Transition Metal group is called the "d-block" of the Periodic table

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Boron isn't a metal, unlike the others
Boron has a high melting point
They react differently to oxygen