Question

The following data represents the distribution of electrons, protons and
neutrons in atoms of four elements A, B, C, D.
Element
Protons
|
Neutrons |
Electrons
10​

Answer 1

Answer:

The following data represents the distribution of electrons, protons and neutrons in atoms of four elements A, B, C, D.

Answer the following questions:

(a) Give the electronic distribution of element B.

(b) The valency of element A.

© The atomic number of element B.

(d) The mass number of element D.

hope this help uu......

Answer 2

Explanation:

(a) Electronic distribution of elements B : 2,8,6

(b) Valency of A is 1 (-1).

© Atomic number of element Bis 16.

(d) Mass number of element D is 39.