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22 Cards in this Set
- Front
- Back
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What are the relative charges for Proton, Electron & Neutron? |
P: +1 E: -1 N: 0 |
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What are the relative masses for Proton, Electron & Neutron? |
P: 1 E: 1/1840 N: 1 |
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Where is the electron found in? |
Electron shells (outside nucleus) |
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Where is the neutron found in? |
Inside the nucleus |
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Where is the proton found in? |
Inside the nucleus |
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Front (Term) |
2,8,8,8 |
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The outermost electron shell is known as the.. |
valence shell |
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The electrons in the valence electrons are known as.. |
valence electrons |
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What is a molecule? |
Molecule is a group of 2 or more atoms chemically combined together |
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The chemical formula of a molecule gives the ——— and ——— of atoms present |
type & number |
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What is a compound & a mixture? |
A compound is 2 or more atoms chemically combined and a mixture consists of 2 or more substances (atoms, molecules, compounds) not chemically combined |
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When a metallic atoms ——— electrons to form a fully filled valence shell, a ——— ion is formed |
loses, positive |
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When a non-metallic atoms ——— electrons to form a fully filled valence shell, a ——— ion is formed |
gain, negatively |
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What is a positive ion called? |
cation |
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What is a negative ion called |
anion |
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Atoms lose or gain electrons to achieve.. |
stable noble gas electronic configuration |
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what is stable noble gas electronic configuration? |
fully filled valence |
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Why are atoms electrically neutral? |
Atoms are electrically neutral because the have the same number of protons and neutrons |
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What is a charged particle? |
Ions (The valence shell is not fully filled) |
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Front (Term) |
green - non metals blue - metals |
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Front (Term) |
1- period 2- group |
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When an ion gains electrons it should have a ——— symbol |
different |
