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WorksheetsSummer II Chemistry Final Review C
Total questions: 20
Worksheet time: 10mins
What is the ending for the names of all binary compounds, both ionic and molecular?
-ide
-ite
-ade
-ate
Binary molecular compounds are made of two ____
metallic elements
nonmetallic elements
polyatomic ions
cations
In naming a binary molecular compound, the number of atoms of each element present in the molecule is
indicated by ____
Roman numerals
superscripts
prefixes
suffixes
Which of the following correctly shows a prefix used in naming binary molecular compounds with its
corresponding number?
deca-, 7
nona-, 9
hexa-, 8
octa-, 4
Which of the following formulas represents a molecular compound?
ZnO
Xe
SO2
BeF2
When dissolved in water, acids produce ____.
negative ions
polyatomic ions
hydrogen ions
oxide ions
When naming acids, the prefix hydro- is used when the name of the acid anion ends in ____.
-ide
-ite
-ate
-ic
What is the name of H2SO3 ?
hyposulfuric acid
hydrosulfuric acid
sulfuric acid
sulfurous acid
Which of the following are produced when a base is dissolved in water?
hydronium ions
hydroxide ions
hydrogen ions
ammonium ions
How are bases named?
like monatomic elements
like polyatomic ions
like ionic compounds
like molecular compounds
In any chemical compound, the elements are always combined in the same proportion by ____.
charge
mass
volume
density
Suppose you encounter a chemical formula with H as the cation. What do you know about this compound
immediately?
It is a polyatomic ionic compound
It is an acid
It is a base
It has a 1 charge
Which of the following is the correct name for N2O5 ?
nitrous oxide
dinitrogen pentoxide
nitrogen dioxide
nitrate oxide
What SI unit is used to measure the number of representative particles in a substance?
kilogram
ampere
ampere
mole
How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C3H7O ?
5 x (6.02 x 1023)
5
35
35 x (6.02 x 1023)
Which of the following elements exists as a diatomic molecule?
neon
lithium
nitrogen
sulfur
Avogadro's number of representative particles is equal to one ____.
kilogram
gram
kelvin
mole
How many moles of silver atoms are in 1.8 x 10 20
atoms of silver?
3.0 x 10-4
3.3 x 10-3
3.0 x 102
1.1 x 1044
How many atoms are in 0.075 mol of titanium?
1.2 x 10-25
2.2 x 1024
6.4 x 102
4.5 x 1022
How many molecules are in 2.10 mol CO2 ?
2.53 x 1024 molecules
3.79 x 1024 molecules
3.49 x 10-24 molecules
1.26 x 1024 molecules
