WorksheetsAtoms and Molecules
Total questions: 50
Worksheet time: 17mins
MgCO3
magnesium carbonate
magnesium carbide
manganese carbide
manganese carbonate
AgCN
silver carbide
silver carbonate
silver cyanide
silver cyanate
Ca(C2H3O2)2
calcium (I) acetate
calcium (II) acetate
carbon acetate
calcium acetate
Na2Cr2O7
sodium dichromate
sodium chromate
sodium chlorate
sodium chlorite
Fe(OH)3
iron(III) hydroxide
iron(III) oxide
iron(III) hydride
iron(I) hydroxide
KNO2
potassium nitrite
potassium nitrate
potassium nitride
potassium oxide
Ba(MnO4)2
barium manganese
barium manganate
barium permanganate
barium oxide
Ca3(PO4)2
calcium phosphate
calcium phosphide
calcium phosphite
calcium (II) phosphate
CrO2
chromium(II) peroxide
chromium peroxide
chromium(II) oxide
chromium(IV) oxide
VCl5
vanadium(V) chloride
vanadium(I) chloride
vanadium(IV) chloride
vanadium(VI) chloride
MoS2
molybdenum(IV) sulfide
molybdenum(V) sulfide
molybdenum(II) sulfide
molybdenum(I) sulfide
Which of the following is correct?
Cu3PO4, copper(III) phosphate
Na2SO4, sodium sulfate
MnO2, manganese(II) oxide
AuCl3, gold chloride
Which of the following is correct?
MnO2, managanese(II) oxide
Pb(CO3)2, lead(II) acetate
Ni2S3, nickel(III) sulfide
MgOH2, magnesium hydroxide
lead(II) arsenate
Pb3(AsO4)2
PbAsO4
PbAsO3
Pb3(AsO3)2
cobalt(II) cyanide
CoCN2
Co(CN)2
CoCN
Co2CN
uranium(VI) oxide
UO6
UO3
UO2
U2O6
tin(II) sulfate
SnSO4
Ti(SO4)2
TiSO4
Sn(SO4)2
potassium phosphate
K2PO4
K3(PO4)2
K3PO4
KPO4
calcium phosphide
CaP
Ca3P2
Ca3(PO4)2
CaPO4
lithium hydrogen sulfate
LiHSO4
LiSO2
LiSO4
Li2SO4
How many protons does O2- have?
(a)
How many electrons does O2- have?
(a)
How many electrons does 89Y3+ have?
(a)
How many neutrons does 89Y3+ have?
(a)
How many neutrons does 133Cs+ have?
(a)
How many electrons does 133Cs+ have?
(a)
How many protons does 81Br- have?
(a)
How many neutrons does 81Br- have?
(a)
How many electrons does 81Br- have?
(a)
Which subatomic particles reside in the nucleus?
protons
electrons
neutrons
quarks
Which pair of atoms constitutes a pair of isotopes of the same element?
Which group in the periodic table contains only nonmetals?
1A
6A
2A
2B
8A
Which element is most similar to strontium in chemical and physical properties?
Li
At
Rb
Ba
Cs
The empirical formula of a compound with molecules containing 12 carbon atoms, 14 hydrogen atoms, and 6 oxygen atoms is __________.
C12H14O6
CHO
CH2O
C6H7O3
Which group typically forms ions with a 2+ charge?
alkaline earth metals
halogens
alkali metals
transition metals
What is the formula of the compound formed between strontium ions and nitrogen ions?
SrN
Sr3N2
Sr2N3
SrN2
Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be for the compound formed between potassium and element X?
K2X
KX2
K2X3
KX
The formula of a salt is . The X-ion in this salt has 28 electrons. The metal X is
Ni
Zn
Fe
V
Pd
The correct name for CCl4 is
carbon chloride
carbon tetrachlorate
carbon perchlorate
carbon tetrachloride
N2O5
nitrous oxide
nitrogen pentoxide
dinitrogen pentoxide
nitrogen oxide
H2CO3
carbonous acid
hydrocarbonate
carbonic acid
carbohydric acid
H2SO3
sulfuric acid
sulfurous acid
hydrosulfuric acid
hydrosulfic acid
HClO3
hydrochloric acid
perchloric acid
chloric acid
chlorous acid
HClO2
perchloric acid
chloric acid
chlorous acid
hypochloric acid
Bromic acid
HBr
HBrO4
HBrO
HBrO3
PCl3
potassium chloride
phosphorous trichloride
phosphorus(III) chloride
monophosphorous trichloride
carbonate ion
CO22-
CO32-
CO33-
CO3
Isotopes are atoms that have the same number of __________ but differing number of __________.
protons, electrons
neutrons, protons
protons, neutrons
electrons, protons
The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of __________.
hydrogen
oxygen
sodium
carbon
In the periodic table, the elements are arranged in __________.
alphabetical order
order of increasing atomic number
order of increasing metallic properties
order of increasing neutron content
