Counting Atoms And Elements Question Preview (ID: 38479)
Students Will Practice Counting Atoms And Elements When Presented With Chemical Formulas.
TEACHERS: click here for quick copy question ID numbers.
How many atoms are in water (H2O)?
a) 1
b) 2
c) 3
d) 4
How many elements are in water (H2O)?
a) 1
b) 2
c) 3
d) 4
How many atoms are in sulfuric acid (H2SO4)?
a) 3
b) 5
c) 6
d) 7
How many elements are in sulfuric acid (H2SO4)?
a) 2
b) 3
c) 6
d) 7
How many atoms are in carbon dioxide (CO2)?
a) 1
b) 2
c) 3
d) 4
How many elements are in carbon dioxide (CO2)?
a) 1
b) 2
c) 3
d) 4
How many atoms are in hydrogen peroxide (H2O2)?
a) 2
b) 4
c) 8
d) 1
How many elements are in hydrogen peroxide (H2O2)?
a) 1
b) 2
c) 4
d) 8
How many atoms are in propane (C3H8)?
a) 2
b) 3
c) 8
d) 11
How many elements are in propane (C3H8)?
a) 2
b) 3
c) 8
d) 11
How many atoms are in vinegar (C2H4O2)?
a) 2
b) 3
c) 4
d) 8
How many elements are in vinegar (C2H4O2)?
a) 2
b) 3
c) 6
d) 8
How many atoms are in six copies of a water molecule (6 H2O)?
a) 3
b) 6
c) 18
d) 12
How many atoms are in 5 copies of molecular nitrogen (5 N2)?
a) 2
b) 5
c) 10
d) 7
How many atoms are in sand (SiO2)?
a) 4
b) 2
c) 3
d) 6
How many elements are in sand (SiO2)?
a) 1
b) 2
c) 3
d) 4
What element(s) is carbon dioxide made up of (CO2)?
a) Cobalt
b) Cobalt and oxygen
c) Carbon and oxygen
d) Oxygen
What elements are found in lighter fuel (C4H10)?
a) Carbon
b) Hydrogen
c) Carbon and Hydrogen
d) Carbon, Hydrogen, and Oxygen
Iron chemically reacts with oxygen in the air to form iron oxide/rust (Fe2O3). Is rust a mixture or a compound?
a) Mixture
b) Compound
c) Both
d) Neither
Mixtures can be separated because ________
a) No chemical bonds are formed
b) The chemical bonds that are formed are easy to break
c) They have weak bonds
d) They have reversible chemical bonds
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