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19 Cards in this Set
- Front
- Back
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When metals become ions they have a __ charge and when nonmetals become ions they have ___ charge.
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positive;negative
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The ratio of phosphorus atoms to oxygen atoms in the binary molecular compound tetraphosphorus decoxide is ___ to ___.
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2,5
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The names of binary compounds shoudl always end in the suffix
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-ide
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___ Compounds contain two or more different elements
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ternary
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The ___ ion with the formula __ is commonly in laundry and household bleaches
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hypochlorite; ClO-
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Acids produce ___ ions when dissolved in water and their formulas start with the symbol ___.
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Hydrogen; H
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Halogens gain one electron and become __ ions with a __ chargr.
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Halide ; -1
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The numerical charge on an ion of a Group A nonmetal is determined by subtracting __ from the ___.
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8 ; group number
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Oxygen exists as a diatomic molecule with the formula __ and another form is triatomic with the formula __ usually called ___
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O2, O3, Ozone
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Catalytic converters convert the poinsonous gas __ Into the less toxic gas known as:
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C01 --> C02
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Oyster shells are made of the compound __ with the formula __.
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Calcium Carbonate; CaCO2
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THe -ite and -ate endings are used in names so that the number of __ atoms can be distinguished.
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oxygen
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Ammonium phosphate is commonly used as ___
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fertilizer
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The __ system would called FeO iron (II) Oxide; an older less preferred method would name the compound __ oxide.
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stock; ferrous
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The ratio of carbon to oxygen in carbon monoxide is 1:1. The fact that carbon dioxide has a 1:2 ratio illustrates the law of ___
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multiple proportions
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The lowest whole-number ratio of elements in a compound is a ___
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formula unit
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The compound lime has cations of ___ and anions of __
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calcium; oxide
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The formula for nitrogen dioxide is NO2, the formula for dinitrogen monoxide is ___.
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N2O
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The chemical formula for rust is __ and the chemical name is __.
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Fe2O3; Iron III Oxide
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