Question

Write the protons electrons and neutrons of an element having atomic number 19.write the valency of that element. ..​

Answer 1

Answer:

Potassium (K)

Number of Protons = 19

Number of Neutrons = 20

Number of Electrons = 19

Valency = 1

Answer 2

Answer:

Potassium = K

No. of E- = 19

No. of P+ = +19

No. of Neutrons = 20 ( neutral )

Valency = 1