Question

Compare :​

(b) chlorine atom and chloride ion, with respect to​
(i) atomic structure​
(ii) electrical state

Answer 1

(b) (i) Atomic Structure

Chlorine atom​ ​

• In chlorine atoms, there are 17 protons and 17 electrons, and its electronic configuration is 2,8,7. ​
• Chlorine atoms are smaller than chlorine ions.

Chlorine ion

• In chloride ions, there are 17 protons and 18 electrons, and its electronic configuration is 2,8,8​
• Chlorine ions are larger than chlorine atoms.

(ii) Electrical state

​Chlorine atom​

• Chlorine atoms are electrically neutral.

Chlorine ion​

• Chlorine ions are negatively charged.