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17 Cards in this Set
- Front
- Back
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A pure substance that is made up of one type of atom is called an ___________.
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element
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A pure substance that is made up of two or more types of atoms that are joined together due to a chemical change is called a ____________.
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compound
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Atoms in a molecule and ions in an ionic lattice are held together by ______________.
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chemical bonds
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Chemical bonds are formed when atoms gain or lose ______________ or when they share _________.
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electrons
electrons |
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Metals and non-metals may form _______ _______.
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ionic
compounds |
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The atoms in non=metals tend to __________ electrons.
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gain
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An ___________ _____________ is a repeating pattern of positive and negative ions.
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ionic lattice
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___________ _______________ form when non-metal atoms bond together by sharing their electrons.
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covalent compounds
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A neutral particle that is made up of atoms that are joined together by covalent bonds is called a ______________.
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molecule
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A ______________ ________ is an ion that is made up of two or more atoms that are held together with covalent bonds.
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polyatomic ion
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What is a compound?
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A pure substance that is made up of two or more types of atoms.
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What are ionic compounds?
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They form between metals and non-metals, due to the "attraction"
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What is an ionic lattice?
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A repeating pattern of positive and negative ions in a compound.
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What is a covalent compound?
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It forms when non-metal atoms bond by sharing electrons.
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What is a molecule?
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A neutral particle made of atoms joined together by covalent bonds.
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What is a polyatomic ion?
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An ion (so negative or positive) made up of two or more atoms held together by covalent bonds.
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Write the ionic compound for zinc nitride:
Zn(2+)N(3-) THEY SHOULD BALANCE THE SCALE! LCM!! LOWEST COMMON MULTIPLE!! SORTA...THINK LIKE THAT. |
Zn (2+) + Zn (2+) + Zn (2+) = 6+
N (3-) + N (3-) = 6- So, three Zincs to two Nitrogens... Zn(3-written below)N(2-written below) |
