Question

The atomic number of an element X is 20.

a) Determine the position of the element X in the periodic table.

b) Write the formula of the compound formed when X reacts / combines with another

element Y (atomic Number 8).

c) What would be the nature (acidic or basic) of the compound formed? Justify your answer​

Answer 1

Explanation:

Electronic configuration 2,8,8,2

i) 'X' is in the 2nd group and 4th period of the periodic table

ii) X+Y→XY

2,8,8,8 2,6

iii) The nature of the compound formed is basic because X is a metal and Y is oxygen. The oxides of metals are basic in nature.