Counting Atoms Question Preview (ID: 38972)
Practice For Atoms.
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How many oxygen atoms in 3CO2 ?
a) 2
b) 4
c) 8
d) 6
How many magnesium atoms are in this equation: Mg2N3
a) 1
b) 2
c) 3
d) 4
How many ELEMENTS are in this equation: Mg2N3
a) 1
b) 2
c) 3
d) 4
How many oxygen atoms are in this equation: 2NaHCO3
a) 3
b) 4
c) 6
d) 8
How many TOTAL atoms are in this equation: NaHCO3
a) 3
b) 4
c) 6
d) 7
How many sodium are in this equation: NaCl
a) 1
b) 2
c) 4
d) 3
How many atoms are in this equation: NaCl
a) 1
b) 3
c) 2
d) 4
How many hydrogen atoms in 2HOH ?
a) 4
b) 6
c) 2
d) 1
How many sodium atoms in 5NaClS ?
a) 1
b) 3
c) 5
d) 15
How many TOTAL atoms in 4NaCl ?
a) 4
b) 2
c) 6
d) 8
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