Chapter 7 & 8

Question 1

Which of the following elements will become an anion?

Potassium - - Oxygen - - sodium - - Lithium

Answer 1

Oxygen

Question 2

A pair of unshared electrons is represented by (what)?

Answer 2

. .

Question 3

A partial positive charge is represented by (what)?

Answer 3

o+

Question 4

A pair of shared electrons is represented by (what)?

Answer 4

_

Question 5

Which of the following compounds will gain a 3+ charge?

Beryllium - - Carbon - - Chlorine - - Aluminum

Answer 5

Aluminum

Question 6

Which of the following compounds are ionic?

HCl - - SF(2) - - OF(2) - - Na(2)O

Answer 6

Na(2)O

Question 7

Be able to tell the shape of the VSPER geometry of the molecule?

Answer 7

see Mrs. Krumpelman

Question 8

Which of the following is the electron configuration for S(2)?

[Ar] / [Ne]3s(2)3p(6) / 1s(2) 2s(2) 2p(6) 3s(2) 3p(6)

Answer 8

All of them

Question 9

Which compounds are covalent?

AlCl(3) / RbCl / BrO(2) / MgO

Answer 9

BrO(2)

Question 10

What does VSPER stand for?

Answer 10

Valence Shell Pair Electron Repulsion

Question 11

When Al3+ and S2- create an ionic compound its compound formulas will be what?

Al(3)S(2) / Al(2)S(3) / Al(6)S(3)

Answer 11

Al(2) S(3)

Question 12

Which of the following is not diatomic?

Hydrogen - - Chlorine - - Sulfur - - Fluorine

Answer 12

Sulfur

Question 13

Looking at your chart - - how many different ways can you make a linear compound?

Answer 13

3

Question 14

Be able to write the electron configuration for elements

Answer 14

See Mrs. Krumpelman

Question 15

Be able to state if the bond is is ionic, non-polar, or polar

Answer 15

See Mrs. Krumpelman

Question 16

Be able to draw the Lewis structure of ionic compounds or covalent molecules - - and Identify if they are ionic or covalent

Answer 16

See Mrs. Krumpelman for help

Question 17

Which of the following is a non-polar covalent bond?

Na-Cl - - HCl - - N-N - - Si-F

Answer 17

N-N

Question 18

What are 2 differences between ionic and covalent bonds?

Answer 18

Ionic - - transfers electron, creates componds, and involves a metal AND a nonmetal

Covalent - - shares electrons, creates moleucles, and involves 2 NONmetals

Question 19

What is the difference between a structural and molecular formula?

Answer 19

Molecular - - shows which atoms are involved with ratios

Structural - - shows how atoms are arranged in space

Question 20

What are elements trying to achieve when they create bonds?

Answer 20

Noble gas configurations

Question 21

Be able to determine if the bond is and endothermic or exothermic bond?

Answer 21

See Mrs. Krumpelman for help