Bonding and shapes Of Molecules

Question 1

3 bonding pairs and no lone pairs ?

Answer 1

Trigonal planar - 120 degrees

Question 2

4 bonding pairs no lone pairs?

Answer 2

Tetrahedral - 109.5 degrees

Question 3

3 bonding pairs 1 lone pair

Answer 3

Trigonal pyramidal - 107 degrees

Question 4

2 bonding pairs 2 lone pairs

Answer 4

Bent shape - 104.5 degrees

Question 5

5 bonding pairs no lone pairs

Answer 5

Trigonal bipyramidal - 120 and 90 degrees

Question 6

6 bonding pairs

Answer 6

Octahedral - 90 degrees

Question 7

What is ionic bonding?

Answer 7

The strong electrostatic attraction between oppositely charged ions

Question 8

What is a covalent bond?

Answer 8

The electrostatic attraction between two nuclei and a bonding shared pair of electrons

Question 9

What is electronegativity?

Answer 9

Relative tendency of an atom to attract electrons in a covalent bond to itself?

Question 10

Trend in electronegativity across a period?

Answer 10

Increases as proton number increases and atomic radii decreases