Worksheets7.6B: '24: Norman: Counting atoms with subscripts
Total questions: 21
Worksheet time: 16mins
How many atoms of Hydrogen are in H2O
1
2
3
more than 3
How many different elements are present in H2COCH2
5
4
3
2
The ______ are numbers found on the lower right-hand side of an element symbol.
Coefficient
Exponent
Multiplier
Subscript
H2SO4
H = 2, S = 4, O = 4
H = 2, S = 1, O = 4
H = 8, S = 4, O = 4
H = 2, SO = 4
three hydrogen (H)
one sulfur (S)
four oxygen (O)
H2SO4
How many atoms of Hydrogen are in H2O
1
2
3
more than 3
How many elements are in this chemical formula? NaHCO3
1
2
3
4
How many Nitrogen atoms are in the in H2C3O4N5?
2
3
4
5
H2C3O4N5
An experiment calls for a chemical with the formula NH3. How many atoms of each element are in the formula?
0 nitrogen atoms, 3 hydrogen atoms
1 nitrogen atom, 1 hydrogen atom
1 nitrogen atom, 3 hydrogen atoms
3 nitrogen atoms, 3 hydrogen atoms
How many atoms of hydrogen are in this compound?
1
2
3
4
How man atoms of carbon are there?
1
2
3
4
How many atoms of Iron are in this compound?
1
2
3
4
How many atoms of hydrogen are in this compound?
1
2
3
4
Select the chemical formula for this molecule?
B1F3
BF
BF3
FB
What is the chemical formula for this molecule?
H1F2
H1F1
HF
HeF
What is the chemical formula for this molecule?
H1O2
H1O1
HO
H2O2
What is the chemical formula for this molecule?
C1I4
C1I1
CI4
C2I2
What is the chemical formula for this molecule?
N2He4
NeH3
N2H4
N2H2
