Atoms

Question 1

Explain a useful appilcation of Carbon-14.

Answer 1

Used for radio carbonating in determining age of fossils

Question 2

Why do atoms form chemical bonds?

Answer 2

They want to be stable with balance electrons for a full outer shell

Question 3

How many electrons are on the first level?

Answer 3

2

Question 4

How many electrons are on the second level?

Answer 4

8

Question 5

How many electrons are on the third level?

Answer 5

18

Question 6

What are the two types of covalent bonds?

Answer 6

Nonpolar and polar

Question 7

What has to be present in order for a covalent bond to be considered polar?

Answer 7

A positive and negative charge

Question 8

The intra in intramolecular means?

Answer 8

inside

Question 9

The inter in intermolecular means?

Answer 9

between

Question 10

Maximum amount of hydrogen bonds a water molecule can have?

Answer 10

4

Question 11

Why would it be more appropriate to refer to hydrogen bonds as hydrogen “attractions”?

Answer 11

Dipoloe-Dipole attraction between electronegative atoms

Question 12

Between what atoms can a hydrogen bond form?

Answer 12

Electronegative

Examples: N, F, O

Question 13

Place the 3 bond types from STRONGEST to WEAKEST

Answer 13

Ionic - Polar - Nonpolar

Question 14

Explain how electronegativity relate to ionic bonds.

Answer 14

negative and positive charges

Question 15

Explain how electronegativity relate to polar bonds.

Answer 15

Particle positive and negative charges

Question 16

Explain how electronegativity relate to nonpolar bonds.

Answer 16

no charge holding together

Question 17

Explain how electronegativity relate to hydrogen bonds.

Answer 17

2 atoms

Question 18

WhAt is the difference between an anion and cation?

Answer 18

Anion is negative

Cation is positive

Question 19

What types of bonds are intramolecular?

Answer 19

ionic and covalet

Question 20

What types of bonds are intermolecular?

Answer 20

hydrogen