Chemical Names and Formula
What is the ending for the names of all binary compounds, both ionic and molecular?
-ide
Aluminum is a group 3A metal. Which ion does Al typically form?
Al(3+)
What is the correct formula for barium chlorate?
Ba(ClO3)2
Which of the following formulas represent an ionic compound?
BaI2
Which of the following is a cation?
Ca(2+)
Which of the following correctly represents an ion pair and the ionic compound the ions form?
Ca(2+), F-, CaF2
What is the correct formula for calcium dihydrogen phosphate?
Ca(H2PO4)2
What is the correct name for the compound COCl2?
Cobalt(ll) chloride
In which of the following are the symbol and name for the ion given correctly?
Fe(2+): ferrous ion; Fe(3+): feric ion
Which of the following shows correctly an ion pair and the ionic compound the two ions form?
Fe(3+), O(2+); Fe2O3
What is the formula for hydrosulfuric acid?
H2S
What is the formula for phosphoric acid?
H3PO4
Which of the following shows both the correct formula and correct name of an acid?
H3PO4, phosphoric acid
Which set of chemical name and chemical formula for the same compound is correct?
Iron(lll) phosphate, FePO4
What is the correct formula for potassium sulfite?
K2SO3
Which of the following compounds contains the Mn(3+) ion?
Mn2O3
Which of the following pairs of substances best illustrates the law of multiple proportions?
NO and NO2
In which of the following are the symbol and name for both of the ions given correctly?
OH-: hydroxide; O(2)-); oxide
Which of the following is a binary molecular compound?
PCl5
Which of the following compounds contains the lead (ll) ion?
PbO
Select the correct formula for sulfur hexafluoride.
SF6
Which of the following formulas represents a molecular compound?
SO2
In which of the following are the formula of the ionic compound and the charge on the metal ion shown correctly?
ThO2, Th(4+)
Sulfur hexafluoride is an example of a...?
binary compound
How are chemical formulas of binary ionic compounds generally written?
cation on left, anion on right
Which of the following correctly provides the names and formulas of polyatomic ions?
chromate: CrO4(2-); dichromate;: Cr2O7(2-)
Molecular compounds are usually...
composed of two or more nonmetallic elements
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
Systematic names are preferred over common names because common names...
do not tell you the actual charge of the ion
The ions formed by nonmetals in Groups 6A and 7A..
have a numerical charge that is found by subtracting the group number from 8
Which of the following are produced when a base is dissolved in water?
hydroxide ions
Consider a mystery compound having the formula MxTy. If the compound is not an acid, if it contains only two elements, and if M is not a metal, which of the following is true about the compound?
it is a binary molecular compound
Suppose you encounter a chemical formula with H as the cation. What do you know about this compound immediately?
it is an acid
How are bases named?
like ionic compounds
Which element, when combined with fluorine, would most likely form?
lithium
When Group 2A elements form ions, they...
lose two electrons
Which polyatomic ion forms a neutral compound when combined with a group 1A monatomic ion in a 1:1 ratio?
nitrate
What is the correct name for the N(-3) ion?
nitride ion
Which of the following is the correct name for N2O5?
nitrous oxide
Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number?
nona-9
What type of ions have names ending in -ide?
only anions
What does an -ite or -ate ending in a polyatomic ion mean?
oxygen is in the formula
An -ate or -ite at the end of a compound name usually indicates that the compound contains...
polyatomic anion
What type of compound is CuSO4?
polyatomic ionic
When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by....
roman numeral following the name
In which of the following is the name and formula given correctly?
stannic fluoride, SnF4
Which of the following is true about the composition of ionic compounds?
they are composed of anions and cations
Which set of chemical name and chemical formula for the same compound is correct?
tin (lV) bromide, SnBr4
What is the correct name for Sn3(PO4)2
tin(II) phosphate
Which of the following determines that an element is a metal?
whether it loses valence electrons