Question 1

matter that is always made up of the same combination of atoms

Accepted Answer

substance

Question 2

A pure substance made of only one kind of atom

Accepted Answer

element

Question 3

matter made of atoms of two or more elements chemically bonded together

Accepted Answer

compound

Question 4

two or more substances that are physically blended but are not chemically bonded together

Accepted Answer

mixture

Question 5

mixture in which substances are not evenly mixed

Accepted Answer

heterogeneous mixture

Question 6

mixture in which two or more substances are evenly mixed on the atomic level but not bonded together

Accepted Answer

homogeneous mixture

Question 7

homogeneous mixture

Accepted Answer

solution

Question 8

substance that exists in the greatest quantity in a solution

Accepted Answer

solvent

Question 9

all other substances in a solution besides the solvent

Accepted Answer

solute

Question 10

amount of a particular solute in a given amount of solution

Accepted Answer

concentration

Question 11

maximum amount of solute that can dissolve in a given amount of solvent at a given temperature and pressure

Accepted Answer

solubility

Question 12

contains the maximum amount of solute it can hold at a given temperature and pressure

Accepted Answer

saturated solution

Question 13

can still dissolve more solute at a given temperature and pressure

Accepted Answer

unsaturated solution

Question 14

substance that produces a hydronium ion (H₃O+) when dissolved in water

Accepted Answer

acid

Question 15

H₃O+, a positively charged ion formed when an acid dissolves in water

Accepted Answer

hydronium ion

Question 16

OH-, a negatively charged ion formed when a base dissolves in water

Accepted Answer

hydroxide ion

Question 17

substance that produces hydroxide ions (OH-) when dissolved in water

Accepted Answer

base

Question 18

inverse measure of the concentration of hydronium ions in a solution

Accepted Answer

pH

Question 19

compound that changes color at different pH values when it reacts with acidic or basic solutions

Accepted Answer

indicator

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