0 votes
958 views
in Chemistry Form 2 by

An atom of an element has the electronic configuration 2.8.2

  1. State its atomic numbers
  2. To which group of the periodic table does it belong? Explain.
  3. Is the element a metal or a non-metal? Explain
  4. If the atom has 14 neutrons in its nucleus state its mass number. 

1 Answer

0 votes
by
  1. 12
  2. Group 2. It has two electrons in its outermost energy level.
  3. A metal. It has less than 4 electrons in its outermost energy level.
  4. 26
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.4k questions

9.6k answers

6 comments

590 users

...