CH2 sec 1 + 2

Question 0

element

Answer 0

substance made up of only one type of atom and cannot be broken down with chemicals

Question 1

atom

Answer 1

smallest basic unit of matter

Question 2

compuond

Answer 2

substance made of atoms that are bonded together in a particular ratio

Question 3

Ionic bond

Answer 3

bond formed by an electrical force between two oppositley charged ions

Question 4

covalent bond

Answer 4

bond formed when two or more atoms share one or more pairs of electrons

Question 5

molecule

Answer 5

two or more atoms held together by a covalent bond, not necessarily a compound

Question 6

hydrogen bond

Answer 6

attraction between a slightly positive hydrogen atom and a slightly negative atom

Question 7

cohesion

Answer 7

attraction between molecules of the same substance

Question 8

adhesion

Answer 8

attraction between molecules of different substances

Question 9

solution

Answer 9

mixture that is consistent throughout

Question 10

solvent

Answer 10

substance in which solutes dissolve and that is present in greatest concentration in a solution

Question 11

solute

Answer 11

substance that dissolves in a solvent and is present in lower concentration than the solvent

Question 12

acid

Answer 12

compound that donates a proton when dissolved in a solution

Question 13

base

Answer 13

compound that accepts a proton when dissolved in a solution

Question 14

pH

Answer 14

measurement of acidity related to free hydrogen ion concentration in a solution