WorksheetsChemistry
Total questions: 5
Worksheet time: 2mins
Name
Class
Date
1.
Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?
a)
Krypton
b)
Xenon
c)
Argon
d)
Chlorine
2.
What is the most common isotope of hydrogen?
a)
Protium
b)
Deuterium
c)
Tritium
3.
A mole contains Avogadro's number of items. What is Avogadro's number?
a)
6.022 x 10^23
b)
6.023 x 10^-23
c)
6022 x 10^23
d)
6.023 x 10^22
4.
What do you call an atom that has more protons than electrons?
a)
molecule
b)
anion
c)
cation
d)
isotope
5.
A drop of food coloring spreading out in a cup of water is an example of which transport process?
a)
Effusion
b)
Diffusion
c)
Osmosis
d)
Vapor Pressure
100 %
