Year 12 Bonding

Question 1

What is C's group and Br's group?

Accepted Answer

Group 4 and Group 7

Question 2

How many valence electrons surround a stable atom in a Lewis structure?

Accepted Answer

8

Question 3

In VSEPR, what is the shape of the molecule with 6 areas of electron density and no lone pairs?

Accepted Answer

octahedral

Question 4

What type of bond will form between C (2.5) and H (2.1)?

Accepted Answer

nonpolar

Question 5

In VSEPR theory, what is the shape called with 4 electron densities and no lone pairs?

Accepted Answer

tetrahedral

Question 6

What is the formula unit formed by Na (group 1) and N (group 5)?

Accepted Answer

Na3N

Question 7

Gasoline has a formula of C8H18. Is the molecule polar or nonpolar? C (2.5) and H (2.1)

Accepted Answer

nonpolar

Question 8

Based on the Lewis structure, what is the shape?

Accepted Answer

trigonal bipyramid

Question 9

Ionic bonds form when electrons are _______ between elements.

Accepted Answer

transferred

Question 10

What type of bond will form between Li (1.0) and Cl (3.0)?

Accepted Answer

polar

Question 11

What kind of bond is in N2?

Accepted Answer

triple

Question 12

Polar covalent bonds are formed when electrons are ________ between elements.

Accepted Answer

shared unevenly

Question 13

If this molecule has one polar bond, then it is considered

Accepted Answer

polar

Question 14

Non-polar covalent bonds are formed when electrons are _______ between elements.

Accepted Answer

shared evenly

Question 15

If a nonpolar covalent bond is formed, what must be true of the electronegativities of atoms?

Accepted Answer

Electronegativities are same (0.0 to 0.5)

Question 16

Based on the Lewis structure, what is the shape?

Accepted Answer

tetrahedral

Questions 16