Chemistry Final(ch9)

Created by jesslinz1 

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42 terms

consists of a single atom with a positive or negative charge

monatomic ion

atom or group of atoms having a negative charge

anion

atom or group of atoms having a positive charge

cation

tightly-bound group of atoms that behaves as a unit and carries a net charge

polyatomic ion

compound composed of two different elements

binary compound

a compound composed of a cation and an anion

ionic compound

a compound composed of two anions

molecular compound

what type of ions have names ending in -ide

only anions

when group 2A elements form ions they

lose two electrons

what is the correct name for the N3- ion

nitride ion

when naming a transition metal ion that can have more than one common ionic charge the numerical value of the charge is indicated by a

roman numeral following the name

aluminum is a group 3A metal. which ion does Al typically form

Al3+

which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion

copper, Cu+, cuprous ion

The nonmetals in group 6A & 7A

have a numerical charge that is found by subtracting 8 from the group number

which of the following is not a cation

sulfate

which of the following correctly provides the names and formulas of polyatomic ions

chromate CrO4 ^2-; dichromate Cr2O7 ^2-

an -ate or -ite at the end of a compound name usually indicates that the compound contains

a polyatomic ion

which of the following compounds contains the Mn3+ ion

Mn2O3

which of the following formylas represents an ionic compound

BaI2

which element, when combined with flourine, would most likely form an ionic compound

lithium

in which of the following are the formula of the ionic compound and the charge on the metal ion shown correctly

ThO2, Th4+

Which of the following compounds contains the lead(II) ion

PbO

Which set of chemical name and chemical formula for the same compound is correct

tin(IV) bromide, SnBr4

what is the correct formula for potassium sulfite

K2SO3

which set of chemical name and chemical formula for the same compound is correct

iron(III) phosphate, FePO4

what type of compound is CuSO4

polyatomic ionic

sulfur hexafluoride is an example of a

binary compound

molecular compounds are usually

composed of two or more nonmetallic elements

what is the ending for the names of all binary compounds, both ionic and molecular

-ide

which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number

nona- 9

which of the following is a binary molecular compound

PCl5

select the correct formula fo rsulfur hexafluoride

SF6

what is the correct name for the compound CoCl2

cobalt(II) chloride

what is the correct formula for barium chlorate

Ba(ClO3)2

which of the following is the correct name for N2O5

dinitrogen pentoxide

what is the correct name for Sn3(PO4)2

tin(II)phosphate

which polyatomic ions forms a neutral compound when combined with a group 1A monatomic ion in a 1:1 ratio

nitrate

in naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by

prefixes

what does an -ite or -ate ending in a polyatomic ion mean

oxygen is in the formula

binary molecular compounds are made of two

nonmetallic elements

compare the compositions of binary ionic and binary molecular compounds

a binary IONIC compound consist of a metal and a nonmetal, while a binary MOLECULAR compound consist of two nonmetallic elements

given the name of a binary molecular compound, describe how to write its formula. Use carbon tetrachloride as an example.

prefixes are used when writing the names of binary molecular compounds, such as carbon tetraccloride. The prefix tells how many atoms of an element are present in each molecule of the compound. You then write the symbol an dhte subscript according to the prefixes. Ex: CCl4

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