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40 questions
How many atoms of each element are in NaCl?
Na=1, Cl=1
Na=2. Cl=2
Na=1, Cl=2
How many elements are in this substance: CaCO3
2
3
4
5
How many Hydrogen atoms are in 4H2O?
6
8
2
4
How many atoms are there TOTAL in H2SO4 ?
6
5
7
3
How many Hydrogen atoms in 3(NH₄)₂CrO₄?
4
2
8
24
How many atoms are present if there is no subscript following the element symbol?
0
2
only 1
1 million
The ______ are numbers found on the lower right-hand side of an element symbol.
Coefficient
Exponent
Multiplier
Subscript
4CF2Cl2
C = 4, F = 4, Cl = 2
C = 1, F = 8, Cl = 8
C = 4, F = 8, Cl = 8
C = 1, F = 4, Cl = 8
C3H5(NO3)3
C = 3, H = 5, N = 3, O = 9
C = 3, H = 5, N = 1, O = 9
C = 9, H = 15, N = 3, O = 9
C = 9, H = 15, N = 1, O = 3
H2SO4
H = 2, S = 4, O = 4
H = 2, S = 1, O = 4
H = 8, S = 4, O = 4
H = 2, SO = 4
How many carbon atoms are in this compound?
H2C3O4N5
2
3
4
5
How many Nitrogen atoms are in the in H2C3O4N5?
2
3
4
5
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