The following table represent the elements and the atomic number

Periodic Properties (10)

The following table represent the elements and the atomic number.

With reference to this, answer the following using only the alphabets given in the table.

1. Which element combines with hydrogen to form a basic gas?
2. Which element has an electron affinity zero?
3. Name the element, which forms an ionic compound with chlorine.

Answer

(i) Q / 7

(ii) R / 10

(iii) P / 13 / Al / Aluminium

• Exam Year: 2020