Biochemistry-Water

Question 1

What is the octet rule?

Answer 1

•Full Valence Shell (8) either by covalent or ionic bonding

Question 2

What does Ionic Bonding mean?

Answer 2

•The complete transfer of electrons

Question 3

What force keeps ionic bonds together?

Answer 3

•Electrostatic forces

Question 4

What type of element name goes first in Ionic Bonds?

Answer 4

•Metal

Question 5

Do Ionic compounds dissolve in water?

Answer 5

•Yes

Question 6

What does Covalent bonding mean?

Answer 6

•The sharing of electrons

Question 7

What types of bonds move freely?

Answer 7

•Covalent bonds

Question 8

What are true molecules?

Answer 8

•Covalent Bonding

Question 9

When are multiple Covalent bonds formed?

Answer 9

•When more then one electron is shared between atoms

Question 10

What type of elements are involved in Covalent bonding?

Answer 10

•2 non-metal

Question 11

What type of elements are involved in Ionic Bonding?

Answer 11

•Non-metal and metal

Question 12

What is meant by non polar covalent bonding?

Answer 12

•Equal Sharing of electrons

Question 13

What is meant by polar covalent bonding?

Answer 13

•Unequal sharing of electrons

Question 14

What causes polar covalent bonds to occur?

Answer 14

• Electronegativity of one atom being stronger

Question 15

What type of molecule is Water?

Answer 15

•Polar Covalent

Question 16

Why is water polar covalent?

Answer 16

•Oxygen is electronegatively strong charger

Question 17

What is formed instead of ions with water molecules?

Answer 17

•Dipole

Question 18

How much of the human body is made up of Hydrogen, Oxygen, Nitrogen and Carbon?

Answer 18

•99.4%

Question 19

How much of the human body is made up of water?

Answer 19

•2/3

Question 20

What type of charge does Oxygen have?

Answer 20

•Partial negative

Question 21

What type of charge do Hydrogen have?

Answer 21

•Partial Positive

Question 22

How long do Hydrogen Bonds last?

Answer 22

•1/100,000,000,000 seconds

Question 23

What are the 6 main properties of water?

Answer 23

• Cohesion
• Stores Heat
• Cools
• Powerful Solvent
• Organizes Non-polar Molecules
• Lubricant

Question 24

How does water store heat?

Answer 24

•The more water breaks the more water is heated

Question 25

What is a hydration shell?

Answer 25

•Keeps molecules apart

Question 26

Where does blood gets it nutrients?

Answer 26

•The digestive system

Question 27

Why are non polar molecules forced together?

Answer 27

•Creation of the most H-Bonds with other H2O molecules

Question 28

What are polar molecules called?

Answer 28

•Hydrophilic

Question 29

What are nonpolar molecules called?

Answer 29

•Hydrophobic

Question 30

What type of lubricant is used when eating?

Answer 30

•Saliva

Question 31

How does lubricant help in the Bowels?

Answer 31

•A mucus in the colon covers feces.

Question 32

What type of lubricant forms between joints?

Answer 32

•Synovial fluids