Question

plz help me out with this

Answer 1

your answer is in this pic

Answer 2

Hey friend,
Here is the answer you were looking for:

(I) Atomic no. = 8
Mass number = 16
No. of neutrons = 8
No. of protons = 8
No. of electron= 8
Name of the element = Oxygen

(II) Atomic no. = 12
Mass number = 24
No. of neutrons = 12
No. of protons = 12
No. of electron= 12
Name of the element = Magnesium

(III) Atomic no. = 16
Mass number = 32
No. of neutrons = 16
No. of protons = 16
No. of electron= 16
Name of the element = Sulphur

(IV) Atomic no. = 1
Mass number = 1
No. of neutrons = 0
No. of protons = 1
No. of electron= 1
Name of the element = Hydrogen

(V) Atomic no. = 13
Mass number = 26
No. of neutrons = 13
No. of protons = 13
No. of electron= 13
Name of the element = Aluminium.

Hope this helps!!!

@Mahak24

Thanks...
☺