Bio Chapter 2

Question 1

Organism

Answer 1

A living thing follows rules of chemistry

Question 2

Biochemistry

Answer 2

Chemistry of all living organisms

Question 3

Each substance can be broken down into

Answer 3

Molecules

Question 4

Molecules

Answer 4

Smallest unit of a substance that still had that substances unique and essential chemistry properties

Question 5

If you break down a substance further then a molecule is it still considered that substance

Answer 5

No

Question 6

If a molecule is broken down further you get

Answer 6

Elements

Question 7

Elements

Answer 7

Substances that cannot be broken down chemically into simpler substances

Question 8

6 major elements found in all major organisms

Answer 8

CHONPS

Question 9

CHON makes up what % of all living organisms

Answer 9

95%

Question 10

What to atoms do to fill there outermost shell

Answer 10

Gain lose or share electrons and become bonded

Question 11

Name two types of chemical bonds

Answer 11

Ionic Bond / Covalent Bond

Question 12

What occurs in an ionic bond

Answer 12

When e- are transferred so all atoms have full outer shells (add picture on laptop)

Question 13

What occurs in a covalent bond

Answer 13

When 2 or more atoms share electrons to fill their outermost shell (picture)

Question 14

What is a polar covalent bond

Answer 14

When elctrons are not shared evenly in a covalent bond