WorksheetsCounting Atoms
Total questions: 20
Worksheet time: 10mins
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
C6H12O6
6
12
18
2
How many atoms of oxygen are in
3Fe2O3
6
9
18
2
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
A substance made up of atoms of two or more different elements joined by chemical bonds
Molecule
compound
polar covalent bond
nonpolar covalent bond
two or more atoms held together by covalent bonds
Molecule
compound
polar covalent bond
nonpolar covalent bond
How many atoms of oxygen are in this compound?
2Ca(OH)2
1
2
3
4
a short, easy way to show a chemical reaction, using symbols.
Law of conservation of mass
chemical equation
subscript
coefficient
The total amount of matter is not created or destroyed.
Law of conservation of mass
chemical equation
subscript
coefficient
The number in front of a chemical equation that multiplies the number of atoms.
Law of conservation of mass
chemical equation
subscript
coefficient
The number written to the lower right of an element that tells you the number of atoms.
Law of conservation of mass
chemical equation
subscript
coefficient
Found on the right side of a chemical equation.
products
reactants
subscript
coefficient
Found on the left side of a chemical equation.
products
reactants
subscript
coefficient
The arrow in a chemical equation reads as.
products
equals
yields
coefficient
