Lesson 2 The Chemistry Of Life

Question 1

Organic Chemistry is the study of _____________?

Answer 1

The study of carbon containing compounds.

Question 2

The smallest living organism is a _________?

Answer 2

A cell

Question 3

Atoms are the building blocks of __________?

Answer 3

Elements

Question 4

The periodic table is made up of __________?

Answer 4

Elements (such as oxygen, hydrogen, calcium, gold)

Question 5

Atoms are made up of 3 subatomic particles, what are these parts called?

1. ?
2. ?
3. ?

Answer 5

1. Protons
2. Neutrons
3. Electrons

Question 6

Protons have a ________ charge
Neutrons have __________charge
Electrons have a _________charge

Answer 6

Protons-positive charge
Neutrons-no charge
Electrons- negative charge

Question 7

The center of a atom is called a _________?

Answer 7

Nucleus

Question 8

The nucleus is made up of 2 parts:

1. ?
2. ?

Answer 8

Made of protons and neutrons

Question 9

The area in an atom where electrons exist is called the ____________ ____________.

Answer 9

Electron shells

Question 10

The outermost electron shell is called the

___________ shell.

Answer 10

Valence shell.

Question 11

Octet rule is?

Answer 11

Most elements are most STABLE with 8 elements in their valence (outermost) Shell or the outmost shell is full.

Question 12

The 1st shell can only hold _______ electrons

Answer 12

2

Question 13

What can’t be broken into smaller pieces using ordinary chemical reactions

Answer 13

Cell

Question 14

Covalent bonding occurs when atoms ________ ___________.

Answer 14

Atoms SHARE electrons.

Question 15

Ionic bonding occurs when_______________________________?

Answer 15

Atoms STEALS electrons from another.

So they bond because of their opposite charges.

Question 16

1st law of Thermodynamics is?

Answer 16

Matter can NOT be created or destroyed

Question 17

2nd Law of Thermodynamics?

Answer 17

ENTROPY!! Which is given enough time, everything wears out and falls apart.

Question 18

What are the 4 building blocks of life?

Answer 18

1. Carbohydrates
2. Protein
3. Nucleic acids
4. Lipids

Be careful on this question he might add a “trick
Choice”

Question 19

What are some examples of carbohydrates?

Answer 19

Bread, fruit, vegetables and grains (rice)

Question 20

What are examples of proteins?

Answer 20

Meats! Chicken beef, eggs

Question 21

What are examples of lipids?

Answer 21

Oils, butter, waxes and steroids.

Question 22

Lipids are used for 3 things:

1. ?
2. ?
3. ?

Answer 22

1. Energy
2. Insulating cells
3. Protecting cells

Question 23

As humans we store our energy in ______?

Answer 23

Fat

Think bears get fatter and fatter so they can hibernate for winter

Question 24

An enzyme changes the rate of a chemical reaction making it ___________ or ___________.

Answer 24

Faster or slower.

Question 25

What is a chemical reaction?

Answer 25

Elements coming together or breaking apart.