0 votes
270 views
in Chemistry Form 2 by
recategorized by
  1. Write the electronic configuration of calcium (atomic number 20) and magnesium (atomic number 12)
    1. Calcium  
    2. Magnesium     
  2. Why is calcium more reactive than magnesium? 

1 Answer

0 votes
by
  1.  
    1. 2, 8, 8, 2
    2. 2, 8, 2  
  2. The two valency electrons of calcium are further away from the nucleus, therefore not strongly held hence readily lost/donated
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

5.5k questions

6.5k answers

8 comments

590 users

...