Atoms by Jana Younis https://padlet.com/jyounis261/8nqxtksn11m2pssk en-us 2022-11-10 09:02:23 UTC 2022-11-11 05:53:19 UTC hello@padlet.com What is an atom? jyounis261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378282795 An atom is the smallest unit of matter that contains all the chemical properties of an element.

Atoms are the building blocks of matter- all substances are made up of atoms

They are microscopic ]]> 2022-11-10 09:05:25 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378282795 Subatomic particles ymardini261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378282835 Protons
Electrons
Neutrons

-The number of protons and electrons is equal
-Protons and Neutrons cluster together in the central part of the atom]]> 2022-11-10 09:05:27 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378282835 Charges + Symbols mammache261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378285980 Protons have a positve charge (P+)
Electrons have a negative charge (e-)
Nuetrons have a nuetral charge (N0)]]> 2022-11-10 09:08:07 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378285980 Components pyazbek261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378288731 It has a nucleus in the center that contains protons and neutrons

And the outer electron cloud around the nucleus that contains electrons]]> 2022-11-10 09:10:28 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378288731 where are the elements found? jyounis261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378294793 Elements can be found on the periodic table ]]> 2022-11-10 09:15:45 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378294793 ymardini261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378295279 2022-11-10 09:16:14 UTC https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2378295279 Definitions: jyounis261 https://padlet.com/jyounis261/8nqxtksn11m2pssk/wish/2379775246 Mass number= is the number of protons (p+) and neutrons (n0). 

Mass number = the number of particles that contribute to the mass of the atom. 

Nucleon: a subatomic particle that is found in the nucleus. 

Mass number = number of nucleons in the nucleus (p+ / n0)

Its symbol is A 

A= Z+N (main)
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The number of protons and neutrons in the nucleus or the number of nucleons (particles in the nucleus). 

Z=4

N=3

A=Z+N=4+3=7 
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