WorksheetsConservation of Mass
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
Measure of the amount of matter
a)
mass
b)
volume
c)
weight
d)
density
2.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
3.
Smallest unit of an element
a)
compound
b)
atom
c)
molecule
d)
product
4.
Smallest unit of a compound
a)
atom
b)
density
c)
element
d)
molecule
5.
Substance that cannot be broken into simpler substances
a)
element
b)
molecule
c)
gram
d)
proton
6.
Substance made up of chemically combined elements
a)
atom
b)
element
c)
electron
d)
compound
7.
Number placed in front of a chemical formula
a)
product
b)
coefficient
c)
reactant
d)
subscript
8.
Number written below & to the right of a chemical symbol
a)
subscript
b)
reactant
c)
product
d)
coefficient
9.
Highly reactive metals in first column of periodic table
a)
halogens
b)
noble gases
c)
alkali metals
d)
metalloids
10.
Highly reactive non-metals in second to last column on periodic table
a)
noble gases
b)
metalloids
c)
alkali metals
d)
halogens
11.
Unreactive gases in last column of periodic table
a)
halogens
b)
alkali metals
c)
noble gases
d)
metalloids
12.
Substances that form as the result of a chemical reaction
a)
products
b)
reactants
c)
coefficients
d)
subscripts
13.
Substances present at the start of a chemical reaction
a)
subscripts
b)
coefficients
c)
reactants
d)
products
14.
Electrons in the outermost orbit or shell
a)
quarks
b)
molecules
c)
valence
d)
compounds
15.
How many iron atoms are in
Fe(NO3)2
Fe(NO3)2
a)
1
b)
2
c)
3
d)
6
16.
How many nitrogen atoms are in
Fe(NO3)2
Fe(NO3)2
a)
1
b)
2
c)
3
d)
6
17.
How many oxygen atoms are in
Fe(NO3)2
Fe(NO3)2
a)
1
b)
2
c)
3
d)
6
100 %
