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11 Cards in this Set
- Front
- Back
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What is an Alpha particlr |
4 He 2 |
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Beta particle |
0 e -1 |
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Positron |
0 e +1 |
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Gamma ray |
0 r 0 |
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Proton |
1 H 1 |
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Neutron |
1 n 0 |
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When you see an atom, what is the number on top, and the number on the bottom? |
Top-mass number Bottom-atomic number Ex 131 I 53 |
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What is an octet and why is it important |
Octet means the valence electrons of an atom are 8. This is important since all atoms want to become noble gases. Noble gases are all and only octets. |
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Whats the difference between cation and anion? |
Cation means posotively charged ion (less electrons) Anion means negatively charged ion (more electrons) |
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How do metals become noble gases? |
Can only lose their valence electrons |
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How do non metals become noble gases? |
They can only gain electrons to their valence shell |
