Lecture 3 - Atoms

Question 1

Describe the VSEPR theory

Answer 1

Why atoms interact with one another

Question 2

When is an atom unstable

Answer 2

When the outer shell is not filled to its capacity

Question 3

3 ways to make an atom stable

Answer 3

1. Give
2. Take
3. Share

Question 4

3 types of bonds:

Answer 4

Ionic
Covalent
Hydrogen

Question 5

Which type of bond:

When two atoms of the opposite charge interact

Answer 5

Ionic

Question 6

Which type of bond:

The intermolecular force (not intramoleculur)

Answer 6

Hydrogen

Question 7

Which type of bond:

When atoms share electrons in their outermost shell

Answer 7

Covalent

Question 8

What is an atom that has gained or lost electrons

Answer 8

Ion

Question 9

Which bond breaks in water

Answer 9

Ionic

Question 10

Which bond is the weakest

Answer 10

Hydrogen

Question 11

What does it mean when something is polar

Answer 11

Sharing unequally

Question 12

What does it mean when something is nonpolar

Answer 12

Sharing equally

Question 13

Most of your proteins and sugars are what type of bond

Answer 13

Covalent

Question 14

Most of your proteins’ and sugars’ properties are what type of bond

Answer 14

Hydrogen

Question 15

How to find the # of protons

Answer 15

Look at the atomic #

Question 16

How to find the # of electrons

Answer 16

Look at the # of protons

Question 17

How to find the # of neutrons

Answer 17

Take the atomic mass and subtract the # of protons

Question 18

Why do atoms interact with each other

Answer 18

To fill up their outer shell to become stable

Question 19

How many electrons can be in the first shell

Answer 19

2

Question 20

How many electrons can be in the second shell

Answer 20

8

Question 21

How many electrons can be in the third shell

Answer 21

8

Question 22

Can hydrogen bonds be broken in water

Answer 22

No