Molecular geometry

Question 1

Which of the electron pairs on the central atom determine the shape?

Accepted Answer

both bonding and lone pairs

Question 2

if there is a total of two pairs on the central atom, the electron pair geometry is

Accepted Answer

linear

Question 3

A central atom has two bonds to other atoms and no lone pairs. The geometry is

Accepted Answer

linear

Question 4

When counting electron pairs for VSEPR theory, a double bond counts as how many?

Accepted Answer

one

Question 5

If there is a total of three electron pairs on the central atom, the electron pair geometry is

Accepted Answer

trigonal planar

Question 6

A central atom has three pairs, all shared with other atoms. What is the geometry?

Accepted Answer

trigonal planar

Question 7

A central atom having two single and one double bond has how many pairs in VSEPR theory?

Accepted Answer

three

Question 8

How do you find out how many electron pairs are on a central atom?

Accepted Answer

Draw the Lewis structure and count them

Question 9

A central atom has four pairs, and they are all shared (bonding pairs). What is the geometry?

Accepted Answer

tetrahedral

Question 10

If there is a total of four electron pairs on the central atom, the electron pair geometry is

Accepted Answer

tetrahedral

Question 11

What determines the directions of bonds and the angles between them?

Accepted Answer

electron pairs trying to get as far apart as possible

Question 12

A central atom has two double bonds to two other atoms. The number of pairs is

Accepted Answer

two

Question 13

A central atom having one lone pair, one single bond, and one double bond has how many pairs?

Accepted Answer

three

Question 14

When counting electron pairs for VSEPR theory, a triple bond counts as how many?

Accepted Answer

one

Question 15

A central atom has four electron pairs, one shared and 3 lone pairs. What is the geometry?

Accepted Answer

linear

Question 16

A central atom has three pairs, two shared with other atoms and one lone pair. Geometry is ?

Accepted Answer

bent

Question 17

A central atom has four electron pairs, two lone and two bonds. What is the geometry?

Accepted Answer

bent

Question 18

A central atom has four pairs, three bonding and one lone pair. What is the geometry?

Accepted Answer

trigonal pyramidal

Question 19

What do we mean by "Molecular Geometry"?

Accepted Answer

The arrangement of atoms around a central atom

Question 20

What shape do you ALWAYS get when there are only two atoms?

Accepted Answer

linear

Questions 20