Question

Predict and write the charges and symbols of the monatomic ions formed by the following atoms:

Bromine readily forms the following monotomic ion:

Rubidium readily forms the following monotomic ion:

Answer 1

Bromine belong to group 7 so the number of valence electrons is 7 so to fulfill the octet rule it will tend to take up one electron and since it is taking electron it will bear negative charge.symbol Bromine atom is Br

Rubidium belon to group 1 s the number of valence electrons is 1 so to fulfill the octet rule it will tend to loose one electron and since it is losing electron it will bear positive charge.symbol Rubidium atom is Rb