Worksheetsnoble gases
Total questions: 7
Worksheet time: 2mins
Name
Class
Date
1.
how many total noble gases are there in the periodic table and in which group?
a)
17 gases in group 8
b)
18 gases in group 7
c)
7 gases in group 8
d)
8 gases in group 7
2.
click all the uses of helium that apply:
a)
balloons to check weather
b)
useful in cancer therapy
c)
germanium and silicon crystal for bulb, transistors
d)
deep sea diving air tanks
3.
which element is this?
a)
helium
b)
radon
c)
krypton
d)
xenon
4.
select all the properties of noble gases that apply
a)
non reactive
b)
low ionization energy
c)
high boiling point
d)
can never conduct electricity
5.
noble gases conduct electricity and fluorescence at (a)
6.
(a) is the most reactive noble gas
7.
noble gases are unreactive but not inert
a)
true
b)
false
100 %
