Question

Predict the blocks periods and groups to which the following element belong A, Sb(z= 51) B. Rb, (z=37)

Answer 1

The elements belongs to the following group

• Sb is the symbol of the element Antimony and the name is derived from latin word stibium

• The Atomic number of the element is 51

• The element belongs to Group 15 and 5th period
• Rb is the symbol of the element Rubidium and the name is defived from latin word Rubidius

• The atomic number of the element is 37

• The element belongs to Group 1 and 5th period

Answer 2

Answer:

the element belongs to group 1 and 5th period