quizzam 1

Question 1

atomic number

Answer 1

number of protons in the nucleus

Question 2

isotopes

Answer 2

atom with the same number of protons but different number of neutrons

Question 3

chemical compounds

Answer 3

ionic or molecular

Question 4

ion

Answer 4

group of atoms with an electrical charge

Question 5

ionic compounds

Answer 5

held together by ionic bonds, negative and positive charged molecules transfer electrons

Question 6

nonpolar molecule

Answer 6

has no charge

Question 7

polar molecule

Answer 7

uneven charge, one side is positive and the other is negative

Question 8

solute

Answer 8

dissolved in a molecule

Question 9

solvent

Answer 9

dissolves a solute, results in a solution

Question 10

salts

Answer 10

formed by ionic bonds, dissolve in water

Question 11

buffer

Answer 11

anything that neutralizes a solution to bring pH back to 7

Question 12

suspension

Answer 12

a mixture of molecules that will settle if not in motion

Question 13

colloid

Answer 13

moderate sized solutes, will not scatter light, the color is not completely clear

Question 14

solution

Answer 14

does not scatter light or settle, appears clear

Question 15

emulsion

Answer 15

a nonpolar with a polar substance that doesn’t mix, stays settled until its forcibly mixed

Question 16

monomer

Answer 16

molecule that bonds with others to make a polymer

Question 17

phospholipid

Answer 17

make cell membranes, has a phosphate attached to glycerol and 2 tails

Question 18

monosaccharide

Answer 18

simple sugar molecule, glucose

Question 19

glucose

Answer 19

broken down into 2 pyruvates to produce ATP

Question 20

disaccharide

Answer 20

2 sugars bound together through dehydration synthesis

Question 21

polysaccharide

Answer 21

multiple sugars together

Question 22

peptide bond

Answer 22

type of covalent bond, links strands of amino acids