2 Answers

Jaggu · Answer 1 · 2021-12-03T05:46:16+0000

Answer:

$\huge\boxed{Potassium}$

Step-by-step explanation:

Group I elements are called alkali metals and are soft but highly reactive (because they have only 1 electron in their outermost shell). Potassium is of Group I (Alkali metal) and is thus soft and highly reactive.

Magnesium and Calcium both are of Group II (Alkaline Earth Metals).

$\rule[225]{225}{2}$

Hope this helped!

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

0 Comments

Please log in or register to add a comment.

~AnonymousHelper1807

0 Comments

Please log in or register to add a comment.

Other Questions