Question

The description of atomic particles of two elements X and Y is
given below:

X Y
Protons 8 8
Neutrons 8 9
Electrons 8 8

(a) What is the atomic number of X?
(b)What is the mass number of X?
(c)What is the relation between X and Y?
(d) Which element/elements do they represent?
(e)Write the electronic configuration of X.

Answer 1

Answer:

a

praton8 8

neutron8 9

electron 8 8

Answer 2

Answer:

Atomic number of X is - 8

Mass no. of X and is - 16u

Isotope of oxygen .

These represent ¹⁶O and ¹⁷O.

Electronic configuration of X is K L M

2,6,-