Question

7. Atomic number of an element is 13 and the mass number of that same element is 27. Find out the proton number of that element?
13
27
0
14

Answer 1

Answer:

it's 27 ..............

Answer 2

Answer:

(a) There will be 13 electrons in each atom of the element. Because in a neutral atom, number of protons is equal to the number of electrons.

(b) Electronic configuration of given element (2, 8, 3) is 

K= 2

L=8

M=3

Explanation:

I hope this will help you...