"Chem" Quiz

Question 1

Positive charge, located in nucleus, 1 amu

Answer 1

Proton

Question 2

Neutral charge, located in nucleus, 1 amu

Answer 2

Neutron

Question 3

Negative charge, located in electron cloud, 0 amu

Answer 3

Electron

Question 4

What is Atomic Number?

Answer 4

number of protons, never changes

Question 5

What is Atomic MASS Number?

Answer 5

protons and neutrons, it identifies isotopes

Question 6

What is an Isotope?

Answer 6

atom of element with different number of neutrons

Question 7

What is an Ion?

Answer 7

atom that’s lost/gained electrons

Question 8

Cation

Answer 8

loses e-, becomes POSITIVE

Question 9

Anion

Answer 9

gains e-, becomes NEGATIVE

Question 10

What is a chemical bond?

Answer 10

when atoms gain/lose/share e-

Question 11

Shares e- (non-metals)

Answer 11

Covalent bond

Question 12

transfers e- (metals + non-metals), electrically neutral

Answer 12

Ionic bond

Question 13

How many valent e- does a stable atom have?

Answer 13

8

Question 14

Polar

Answer 14

unequal sharing of e-, charge

Question 15

Nonpolar

Answer 15

equal sharing of e-, no charge

Question 16

A+B -> AB

Answer 16

Synthesis/Combination

Question 17

AB -> A+B

Answer 17

Decomposition

Question 18

A+BC -> B+AC

Answer 18

Single Replacement

Question 19

AB+CD -> AD+CB

Answer 19

Double Replacement

Question 20

Hydrocarbon+O2 -> CO2+H2O

Answer 20

Combustion

Question 21

release H+, H3O+

Answer 21

Acids

Question 22

release OH+

Answer 22

Base

Question 22

release ions in water

Answer 22

Acids/Bases

Question 22

High H+ Low OH-

Answer 22

Acidic Solution

Question 22

Low H+ High OH-

Answer 22

Basic Solution

Question 22

H+ = OH-

Answer 22

Neutral Solution

Question 22

Electrolytes

Answer 22

Na(+), Ca(2+), Cl(-), Mg(2+), K(+), P(3-), CO3(2-), HCO3(-), SO4(2-)

Question 22

compounds that contain both carbon and hydrogen atoms in chains

Answer 22

Organic

Question 22

compounds that do not contain both carbon an hydrogen in chains

Answer 22

Inorganic

Question 22

sugars and starches

Answer 22

Carbohydrates

Question 22

carb made of 1 type of sugar

Answer 22

Monosaccharide

Question 22

2 monosaccharides bonded together

Answer 22

Disaccharide

Question 22

complex carbohydrates “fiber”

Answer 22

Polysaccharides

Question 22

long term energy storage, phospholipids, insoluble in water

Answer 22

Lipids

Question 23

steroids, hormones, cell membranes

Answer 23

Cholesterol

Question 23

3 fatty acids, 1 molecule glycerol

Answer 23

Triglyceride

Question 23

Hydrogen on every Carbon

Answer 23

Saturated

Question 23

Carbon for every Carbon

Answer 23

Unsaturated

Question 23

long chains of amino acids

Answer 23

Proteins

Question 23

Protein Functions

Answer 23

structure of organisms, hormones (insulin), enzymes

Question 24

Dipeptide

Answer 24

2 amino acids joined by peptide bond

Question 25

Tripeptide

Answer 25

dipeptide + amino acid

Question 26

Polypeptide

Answer 26

long chain of amino acids

Question 27

made of nucleotides

Answer 27

Nucleic Acids

Question 28

store genetic material

Answer 28

DNA

Question 29

makes proteins

Answer 29

RNA

Question 30

ATGC

Answer 30

Adenine
Thymine
Guanine
Cytosine

Question 31

UAGC

Answer 31

Urasil
Adenine
Guanine
Cytosine

Question 32

with a few exceptions, they are PROTEINS

Answer 32

Enzymes

Question 33

substance that speeds up a chemical reaction (essential for life)

Answer 33

Catalyst

Question 34

reaction site, biological material affected by enzyme

Answer 34

Substrate

Question 35

where enzyme binds to substrate + reaction occurs

Answer 35

Active Site