Structure of th...

......... is defined as the number of protons present in the nucleus of an atom.

Who discovered the positively charged particle called proton?

Which of these have the same chemical properties, but their physical properties may be different?

The charge on a neutron is:

Neutron's relative charge is:

 What tool was Thomson using when he discovered the electron?

The distribution of electron in $$Kr$$ is _________.

Thomson's atomic model concluded that _____ is the constituent particle of all kinds of atoms.

Canal rays are:

Neutron has no charge but mass equal to that of ________.