Worksheets11 em chemical properties of alkali metals
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Alkali metals have _______ conductivity of heat and electricity.
a)
good
b)
semi
c)
poor
d)
no
2.
Alkali metals react rapidly with ____.
a)
air
b)
cold water
c)
other alkali metals
3.
The alkali metal with the smallest atom is ____.
a)
Cs
b)
Na
c)
Li
d)
K
4.
Alkali metals have ____ density than most metals.
a)
higher
b)
lower
5.
Alkali metals are located in column ___ of the periodic table.
a)
1
b)
2
c)
7
d)
8
6.
Alkali metals have ___ valence electron(s).
a)
one
b)
two
c)
seven
d)
eight
7.
Sodium has ___ valence electron(s).
a)
one
b)
two
c)
seven
d)
eight
8.
The largest atom in the alkali metal group belongs to ___.
a)
Li
b)
K
c)
Cs
d)
Na
9.
What happened when cesium was dropped into cold water?
a)
Nothing
b)
A slight reaction
c)
Fire erupted.
d)
the reaction broke the container.
10.
What element is the most reactive alkali metal with water?
a)
sodium
b)
cesium
c)
lithium
d)
potassium
100 %
