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10 Cards in this Set
- Front
- Back
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What is an isotope? |
Atoms that have the same number of protons but different number of neutrons. |
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What charge does a neutron, proton, and electron have? |
Neutron- No charge Proton- Positive Electron- Negative |
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What is an electro-magnetic attraction in terms of valence shells? |
Electro-Magnetic attraction keeps the electrons in orbit. |
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What is the mass number? |
The mass number is the total number of protons and neutrons in the nucleus. |
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What is a molecule? |
Clusters of atoms- 2 or more |
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what is an element? |
a substance made up of just one type of atom. |
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what is a cation? |
A positive ion that is when an electron has bee removed and you have more protons. |
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what is a anion? |
A negative ion that is when an electron has been added to the atom to complete a full shell (2,8,8,2). As it has gained and electron, it has more electrons than protons,c therefore carries a negative charge |
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What is solubility? |
The ability to dissolve in water. |
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