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20 Cards in this Set
- Front
- Back
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What is formed when atoms GAIN, LOSE OR SHARE electron?
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Chemical bond
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When is a chemical formula?
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elements MAKE UP a COMPOUND and the RATIOS of the atoms of the elements.
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Are properties of a compound the same or difference from the properties of elements making up the compound?
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Difference from
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What is POLAR molecule?
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A molecule that has a POSTIVIE (+) AND NEGATIVE (-) END.
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What is a covalent bond?
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a bond that forms ATOMS when they SHARE ELECTRONS
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What is the name given to the NUMBER of electons an atom GAINS, LOSES OR SHARES?
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oxidation number
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This is a formula for what?
MgSO4-7H2O |
Hydrate
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What is a group of atoms with postive (+) or negative (-) charge?
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ployatomic ion
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What is COMPOUND that has WATER chemically attached to it ions?
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hydrate
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What is the FORCE OF ATTRACTION between the OPPOSITE charges of the ions?
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IONIC BOND
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What is an ion?
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An atom that has GAINED OR LOST ELECTRON
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What compound are often cystalline solids at room temperature?
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ionic
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When is an atom chemically stable?
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An atom is chemically stable when it OUTER ENERY LEVEL is filled with electrons
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What type of molecule is water molecule?
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Polar molecule
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Are molecules positive, negitive or neutral?
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neutral
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What is a group of atoms that acts TOGETHER as ONE CHARGED ATOM?
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polygatomic ion
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What is a COMPOUND of only TWO ELEMENTS?
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binary compound
prefix bi - 2 |
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What is the formula for magnesium natrate?
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Mg2(NO3)12
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What is the name of the compound with the formula NaCl?
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sodium chloride
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What is the total number of atoms in the compound CA(CIO3)12?
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9
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