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SG periodic table
sg for atoms
| Question | Answer |
|---|---|
| does the number of electrons always has the same number as protons? | yes |
| how many electrons can level 1 hold in a Bohr model | 2 electrons |
| how many electrons can level 2 hold in a Bohr model | 8 electrons |
| nucleous | the center or core of an atom. |
| proton | a positive electric charge. |
| neutron | has no charge. they are neutral. Third type of particle in a atom moves in the space outside of the nucleus. |
| electron | they move rapidly around the nucleus and had a negative charge. |
| atomic number | the number of protons in its nucleus. |
| isotope | same number of protons and a different number of neutrons. |
| mass number | the sum of the protons and neutron in the nucleus of the atom. |
| model | a picture or an object that explains it. |
| metal | |
| malleable | |
| ductile | |
| conductivity | |
| reactivity | |
| corrosion | |
| alkali metal | |
| alkaline earth metal | |
| transition metal | |
| alloy | |
| particle accelerator | |
| atomic mass | |
| periodic table | |
| chemical symbol | |
| period group | |
| nonmetal | |
| diatomic molecule | |
| halogen | |
| noble gas | |
| metalloid | |
| semiconductor | |
| plasma | |
| nuclear fusion | |
| nebula | |
| supernova |
Created by:
mcivetta
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