Register
PLEASE HELP I HATE CHEM Why do molecules in a tetrahedral shape repel at an angle of 109.5 instead of 90 degrees?!?
145k views
5 votes
PLEASE HELP I HATE CHEM

Why do molecules in a tetrahedral shape repel at an angle of 109.5 instead of 90 degrees?!?

User J Hunt
by
7.7k points

1 Answer

4 votes
This angle is obtained when all four pairs of outer electrons repel each other equally. The bond angles in ammonia and in water are less than 109.5° because of the stronger repulsion by their lone pairs of electrons.
User Ziyang Liu
by
8.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.3m questions

12.0m answers

Other Questions

Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
What is the evidence of a chemical reaction when the fireworks go off
Key facts of covalent bonding
Which is an example of an atom? A)the smallest unit of Ne B)the smallest unit of p4 C)the smallest unit of NH3 D)the smallest unit of H2O
Link Copied!