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18 Cards in this Set
- Front
- Back
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Subscipt means this
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written below
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This tells what elements are in a compound
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chemical formula
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If an atom has its outer shell completely filled with electron, we say that it is?
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stable
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These elements do not form compounds because their outer shell is filled
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Noble elements
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Name 3 noble elements
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neon, argon, kryton
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A force that hold together the atoms in a substance
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chemical bond
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What does toxic mean?
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poison
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What does corrosive mean?
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compound that attack and destroy metals
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Superscript means that a number is
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written above
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An atom that is either positively or negatively charged is an?
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ion
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A bond that forms when an electron is transferred from one atom to another is called?
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ionic bond
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A bond that is formed when electrons are shared by atoms is
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covalent bond
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When one atom does not share equally with another atom, this type of bond forms
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polar covalent bond
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A positive or negative number that is assigned to an element to show its combining ability
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oxidation number
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A compound composed of 2 elements is called
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binary compound
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a polyatomic ion contains what
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more than one type of element
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What does poly mean?
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many
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A crystalline substance that combines with water is a
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hydrate
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