Write a note on occurrence of group 1 and group 2 elements:
Write a note on occurrence of group 1 and group 2 elements:
4 views
1 Answers
i. Group 1 (alkali metals):
- Two elements of group 1 i.e., sodium and potassium are the sixth and seventh most abundant elements present in the earth’s crust.
- However, francium does not occur appreciably in nature because it is radioactive and has short half-life period.
ii. Group 2 (alkaline earth metals):
- The elements magnesium and calcium are found abundantly in earth’s crust.
- Radium is radioactive and is not easy to find.
4 views
Answered