CH 2 chem of life

Question 1

Waht makes up the Atom Structure?

Answer 1

Protons
Neutrons
Electrons

Question 2

What are the charges and masses of Protons, Neutrons and Electrons

Answer 2

Protons = charge of +1, amu of 1
Neutrons = no charge, amu of 1
Electrons = -1 charge, no mass

Question 3

What makes up the mass of an Atom?

Answer 3

the protons and neutrons

Question 4

How do you find the Atomic Number?

Answer 4

Protons + Neutrons

Question 5

How do you find the Atomic Mass?

Answer 5

Protons +Neutrons

Question 6

How many electrons can each of the shells of an atom can hold?

Answer 6

1st shell = 2
2 shell = 8
3 shell = 18

Question 7

Octet Rule

Answer 7

in order for an atom to be stable, the outer shell MUST be filled

Question 8

Ions

Answer 8

charged atoms where it has a missing or one extra electron in its outer shell

Question 9

CATions

Answer 9

Positive ions when they LOSE one or more elecs

Question 10

ANions

Answer 10

negative ions when they GAIN one or more ions

Question 11

Ionic Bonds

Answer 11

When ions opposites attract one another and transfer their electrons to one another

Question 12

Covalent Bonds

Answer 12

when there is sharing between electrons on atoms outerr shell

Question 13

What are Nonpolar Cova Bonds?

Answer 13

when there is an EQUAL sharing between eletrons, no one. is polarized

Question 14

What are Polar Cova Bonds

Answer 14

when some eletrons spend more time w another atom than the other

Question 15

What is a Hydrogen bond and what kind of bond?>

Answer 15

a Hydrogen atom with a slightly positive charge is with another atom, like water H2o
is a polar Cova Bond

Question 16

Waht does Hydrophillic refer to?

Answer 16

When a substance is water LOVING, dissvoles in water

Question 17

Hydrophobic?

Answer 17

water hating , will not dissolve in water liek oil

Question 18

What are the cool things that water does?

Answer 18

Stabilizes temperature - sweat when hot
Absorbs energy - exists in all states of matter
Solvant - dissolves many things

Question 19

what are the MAIN THREE Biological Molecules?

Answer 19

CLP
Carbohydrates
Lipids
Proteins

Question 20

What are the types of Carbs?

Answer 20

Monosaccharide - 1
Disaccarchaide - 2
Polysaccharide - many

Question 21

Examples of Monosaccharides

Answer 21

• smple sugars
  GGF
• glucose
• galactose
• fructose

Question 22

Examples of Disaccharides

Answer 22

• two monosacs that come tg
  “sucrose is lactose intolerant, which is mal”
• sucrose
• lactose
• maltose

Question 23

Examples of Polysaccharadies

Answer 23

• Starch
• glycogen
• cellulose
  chintin

Question 24

Examples of Lipids

Answer 24

Tryglycerides
glycerol
phospholipids

Question 25

Waht is a saturated fat?

Answer 25

only single bonds in hydro carbons chain

Question 26

Unsaturated Fat

Answer 26

• dbl bonds in hydro carbon chain

Question 27

Struicture of Phospholipd

Answer 27

Hydrophillic head
Hydrophobic tail