Question

identify the period number and group number of the given elements. 1.iron,2.magnesium

Answer 1

1. Iron (Fe) is located in the 8th group and 4th period. Its atomic number is 26.

2. Magnesium is located in the 2nd group and 3rd period. Its atomic number is 12.

For more stuff on periodic table, follow @Periodify on Instagram...