Structure of atom - 1

The scientist who discovered electron is

• James chadwick

• Marie Curie
• Albert Einstein
• J.J. Thomson

According to JJ Thomson the atom has _______ parts.

The no. of neutrons in C¹⁶ atoms is

The atoms having same atomic no. but different mass no. are

The isotope of hydrogen having 1 electron, 1 proton and 2 neutron is

P electronic configuration is

Rutherford's alpha scattering experiment not concluded that at center of an atom nucleus is present. True or false

• true
• false

The particle of atom which have mass is

According to J.J. Thomson model of atom proton and neutron forms a sphere in which electron resides. true or false

• false
• true

In the experiment conducted by JJ thomson the negative charged plate in tube was called