Question

9. Some of the elements are given below: 1) Aluminium II) Magnesium III) Sulphur IV) Boron V) Phosphours V) Carbon Which of the above follow (s) the following condition? Number of electrons = Number of protons = Number of neutrons A) I. II and II B) II. III and IV C) II. III and V DXI, III and V​

Answer 1

Answer:

Aluminum. atomic no =13

Magnesium. atomic =12

Sulphur. atomic no =16

Boron. atomic no =5

Phosphorus. atomic no =15

Carbon. atomic no =6