Question

Calculate the charge on the nucleus of Nitrogen

Answer 1

Number of protons

Configuration of nitrogen = 2 , 5

Hence total number of protons = 2 + 5

                                                    = 7

Charge of one proton

Charge of one proton = + 1.6 × 10⁻¹⁹ C

Total charge of nucleus .

Total charge will be charge of 7 protons.

This because neutrons have no charge at all .

Total charge = 7 × + 1.6 × 10⁻¹⁹ C

= > + 11.2 × 10⁻¹⁹ C

= > + 1.12 × 10⁻¹⁸ C

$\mathfrak{\underline{ANSWER}}$

+ 1.12 × 10⁻¹⁸ C

Answer 2

Atomic Number of Nitrogen = 7

Thus, No. of protons = 7

No. of neutrons in Nitrogen = 7

We know that the nucleus contains only protons and neutrons. Also, the charge of protons is positive and of the neutrons is neutral. Thus, Nitrogen has 7 unit positive charge or +7 charge.

Now, charge on 1 proton = + 1.6 × 10⁻¹⁹ C

Thus, charge of 7 protons = 7 * 1.6 * 10⁻¹⁹ C = 11.2 * 10⁻¹⁹ C or

1.12 * 10⁻²⁰ C