Bonds

Question 1

Reason for bonds

Answer 1

atoms want to bind with other atoms to gain a full shell

Question 2

what are ionic bonds

Answer 2

transfer of electrons

Question 3

when are ionic bonds formed

Answer 3

when only one or two electrons are required for stabilization

Question 4

example of ionic bond

Answer 4

sodium chloride

Question 5

what are covalent bonds

Answer 5

sharing of electrons

Question 6

two different types of covalent bonds

Answer 6

polar and non polar

Question 7

what is a polar covalent bond

Answer 7

shared unevenly

Question 8

what is a nonpolar covalent bond

Answer 8

share electrons evenly

Question 9

what type of bond length do you want in a bond

Answer 9

optimal

Question 10

characteristic of bond length

Answer 10

it is the same length for that specific molecule

Question 11

why are enzymes needed for bonds

Answer 11

they can break or form them

Question 12

what is the strongest bond type

Answer 12

covalent

Question 13

what is the weakest bond type

Answer 13

hydrogen

Question 14

what determines strength for chemical bonds

Answer 14

amount of energy to break a bond

Question 15

single bonds share how many electrons

Answer 15

2

Question 16

double bonds share how many electrons

Answer 16

4

Question 17

characteristic of single bond

Answer 17

more flexibility, movement, and rotation

Question 18

characteristic of double bond

Answer 18

shorter, less flexibility, movement and rotation

Question 19

during polar covalent bond, what is created

Answer 19

permanent dipoles

Question 20

what is a hydrogen bonds

Answer 20

polar covalent bonds link hydrogen and oxygen in water

Question 21

what bond links water molecules together

Answer 21

weak non-covalent bonds, this creates the liquidity of water

Question 22

hydrogen bonds create what type of fit

Answer 22

complimentary

Question 23

characteristic of hydrophilic bonds

Answer 23

polar bonds, dissolve easily in water

Question 24

example of hydrophilic bonds

Answer 24

alcohols, DNA and proteins

Question 25

characteristic of hydrophobic bonds

Answer 25

uncharged, do not mix well with water

Question 26

examples of hydrophobic bonds

Answer 26

oil, lipids

Question 27

what are the four major molecules in cells

Answer 27

sugars, fatty acids, amino acids and nucleotides

Question 28

what is the function of the four major molecules in cells

Answer 28

building blocks, energy source, and structural support

Question 29

sugars form what larger molecules

Answer 29

polysaccharides

Question 30

fatty acids form what larger molecules

Answer 30

fats, lipids, membranes

Question 31

amino acids form what larger molecules

Answer 31

proteins

Question 32

nucleotides form what larger molecules

Answer 32

nucleic acids

Question 33

polar molecules form what

Answer 33

acids and bases

Question 34

characteristic of acids

Answer 34

release protons to become hydronium ion (H30+)

Question 35

example of strong acids

Answer 35

HCl

Question 36

example of weak acid

Answer 36

acetic acid

Question 37

characteristic of bases

Answer 37

accept protons and creates -OH molecule

Question 38

example of strong base

Answer 38

NaOH

Question 39

example of weak base

Answer 39

ammonium