Question

Give Reason
1} All the mass of an atom is concentrated in the nucleus.​

Answer 1

$\large \underline \mathsf \pink{Answer:-}$

All the mass of an atom is concentrated in the nucleus becauseatom contains three subatomic particles like electron, proton and neutron. So, charge on negatively charged electrons are balanced by charge on positively charged proton. Therefore, atom is electrically neutral and stable.

Answer 2

Answer:

Explanation:

All the mass of an atom is concentrated in the nucleus because atom contains three subatomic particles like electron, proton and neutron. ... So, charge on negatively charged electrons are balanced by charge on positively charged proton. Therefore, atom is electrically neutral and stable.

____________________________________________________________

hope it help you ...............................................................