0 votes
419 views
in Chemistry Form 2 by

An element X is represented as 1840X (X = is not the actual symbol of the element)

  1. What is the composition of the nucleus for this element? 
  2. Give the electronic arrangement of the element.

1 Answer

0 votes
by
  1.    
    1. Protons 18 
    2. neutrons 22
  2. X : 2,8,8 
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

...