STRUCTURE OF AN ATOM

Mass No. = Z

Atomic No. = X Element = A

Mass No. = X

Atomic No. = Z

Element = A

Mass No. = A

Atomic No. = Z

Element = X

Mass No. = A

Atomic No. = X

Element = Z

Mass Number - Atomic Number

Mass Number + Atomic Number

Atomic Number - Mass Number

Mass Number - No. of Protons

$$2n^2$$  

2n

$$2n^3$$  

None of the above

2,8,8

2,8,6

2,8,1

2,3

Electronic Configuration = 2,4

Name = Carbon

Electronic Configuration = 2,8,8,1

Name = Potassium Atom

Electronic Configuration = 2,8,1

Name = Sodium Atom

Electronic Configuration = 2,8,8,2

Name = Calcium Atom

Protons

Electrons

Neutrons

All of the above

Dalton

Thomson

Rutherford

Bohr

J.J. Thomson

Goldstein

Chadwick

Newton

CAKE MODEL

PLUM PUDDING MODEL

SANDWICH MODEL

BREAD AND BUTTER MODEL

13

7

6

12