Question

all substances contain protons in addition to electrons comment

Class 9 ​

Answer 1

Explanation:

Rutherford proposed that these electrons orbit a positive nucleus. In subsequent experiments, he found that there is a smaller positively charged particle in the nucleus which is called a proton. There is a third subatomic particle, known as a neutron.

Answer 2

Answer:

$\text{All substances are made up of atoms}$ $\text{and that atoms consist of both protons and}$ $\text{electrons except hydrogen}$

For example -

Sodium (Na) =

No. of Proton = 11

No. of Electrons = 11