The atomicity of Ozone
1
2
3
4
Which of following does not posses neutron
Hydrogen
Nitrogen
Oxygen
Helium
The mass of neutron is of the order of
1023 kg
10 -24 kg
10 -26 kg
10 -27 kg
The neutron was discovered by
J J Thomson
James Chadwick
G T Sea berg
E. Rutherford
The chlorine atom differs from chloride ion in the number of
Protons
Neutrons
Electrons
Protons and electrons
Phosphorous is
P
P2
P4
P3
Proton is
Nucleus of deuterium
Ionized hydrogen molecule
Ionized hydrogen atom
An x particle
In an atom , the number of electrons outside the nucleus is equal to the number of
Neutrons in the nucleus
Protons in the nucleus
Neutrons plus protons in the nucleus
Neutrons minus protons in the nucleus
An example for inert gas which is mono atomic
Which do not react chemically with other elements or compounds?
Metals
Non - metals
Metalloids
Noble Gases
