Shapes of Molecules - Structure & Properties (2.4)

Question 1

What is the shape name of a molecule with 4 electron pairs?

Answer 1

Tetrahedral

Question 2

What is the shape name of a molecule with 5 electron pairs?

Answer 2

Trigonal Bi-pyramidal

Question 3

What is the shape name of a molecule with 6 electron pairs?

Answer 3

Octahedral

Question 4

A cation is an ion that has _____ an electron.

Answer 4

lost

Question 5

A anion is an ion that has _____ an electron.

Answer 5

gained

Question 6

Non - bonding electrons are also called…

Answer 6

Lone pairs

Question 7

Lone pairs repel more than bonding pairs. True or False?

Answer 7

True - bond angles are reduced

Question 8

3 electrons pair molecules with one lone pair have a ____ shape.

Answer 8

bent

Question 9

4 electrons pair molecules with one lone pair have a ____ shape.

Answer 9

trigonal pyramid

Question 10

5 electrons pair molecules with one lone pair have a ____ shape.

Answer 10

sawhorse

Question 11

6 electrons pair molecules with one lone pair have a ____ shape.

Answer 11

square pyramid

Question 12

If there is more than one lone pair in a molecule, they arranged to minimise ______.

Answer 12

repulsion