WorksheetsATOMIC STRUCTURE
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Molecule of Sulphur dioxide contains how many atoms of oxygen ??
a)
2
b)
3
c)
o
d)
1
2.
What is the ration of time periods (T1/T2) in second orbit of hydrogen atom to third orbit of He+ ion?
a)
8/27
b)
32/27
c)
27/32
d)
None of These
3.
This particle is found in the nucleus and has no charge
a)
Neutron
b)
Proton
c)
Electron
d)
Atom
4.
The atomic number for Oxygen is 8, so
a)
there are 8 protons in the atom
b)
the atomic mass is less than 8
c)
the mass of the atom is 8
d)
there are 8 electrons
5.
Protons are...
a)
Negatively charged particles
b)
Positively charged particles
c)
They have no charge
100 %
