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WorksheetsChemical Formulas
Total questions: 21
Worksheet time: 30mins
Given the information in the table, what is the name of an acid that contains the polyatomic anion ClO2−
chloric acid
chlorous acid
hydrochloric acid
hydrochlorous acid
What is the chemical formula of tetraphosphorus heptasulfide?
P4S6
P4S7
P5S6
P7S4
What is the name of the compound Co(NO3)2?
cobalt dinitrate
cobalt(II) nitrate
cobalt(IV) nitrate
monocobalt dinitrite
Jenna is making a table to organize common polyatomic ions. What is the chemical formula that is missing from Jenna's table?
NO3-
NH2-
NH4+
HNO+
2Na + 2H2O → 2NaOH + H2
The equation here shows the reaction of sodium with water. In addition to hydrogen gas, what type of compound form in this reaction?
an acid
a base
a molecular compound
none of these answers
Data from the periodic table can be used to determine the electron arrangement of atoms. Based on its position in the periodic table, which is the correct Lewis electron dot structure for sulfur?
The ball-and-stick model here shows the geometry of atoms in a molecule or ion. Which molecule or ion has this structure?
CH4
SO42-
SiHCl3
all of these choices
What is the correct name for OH- ?
ammonium cation
monoxygen monohydride
oxygen monohydride
hydroxide anion
What is the correct name for PO43- ?
phosphate
phosphite
phosphorus oxide
phosphorus tetraoxide
What is the correct name for SO32- ?
sulfate
sulfite
sulfur oxide
sulfur trioxide
What is the correct name for ClO2- ?
chlorate
chlorite
chlorine oxide
chlorine dioxide
What is the correct name for NO3- ?
nitrate
nitrite
nitrogen oxide
nitrogen trioxide
What is the correct name for MnO4- ?
carbonate
manganese oxide
manganese tetraoxide
permanganate
Complete the safety diamond for nitric acid which is slightly hazardous, has a flash point below 100 F, and is stable under normal conditions starting with the health hazard
1, 3, 0, ACID
3, 0, ACID, 1
1, 3, 0, OXY
0, 0, 0, ACID
What piece of lab equipment is typically used to measure volume?
beaker
graduated cylinder
scale or balance
safety googles
What piece of lab equipment is typically used to measure mass?
ring stand
graduated cylinder
scale or balance
safety googles
What piece of lab equipment is typically considered PPE (personal protective equipment)?
buret
graduated cylinder
scale or balance
safety googles
What is the chemical name for Cr2O3?
chromium(III) oxide
chromium(II) oxide
dichromium trioxide
trichromium dioxide
What is the chemical name for H3PO3?
trihydrogen phosphite
trihydrogen phosphate
phosphorous acid
phosphoric acid
What is the correct formula for tetraiodine nonoxide
IO9
I4O9
I9O4
4I9O
What is the correct formula for barium fluoride?
Ba2F
BaFl
BaF2
BF
