A
B
C
D
E
100

colorless gas with a pungent odor that is composed of hydrogen and nirogen

ammonia

100

capable of combining with or attracting water

hydrophilic

100

any substance that occupies space and has mass

matter

100

a substance that causes or is believed to cause cancer

carcinogen

100

subatomic particles with a positive charge

protons

200

subatomic particles with no charge

neutrons

200

alcohols that evaporate easily

volatile alcohols

200

subatomic particles with a negative charge

electrons

200

a solution that has a ph below 7

acidic solution

200

a change in the chemical composition or make-up of a substance

chemical change

300

an atom or molecule that carries an electrical charge

ion

300

a substance that releases oxygen

oxidizing agent

300

also known as bases

alkalis

300

the abbreviation used for potential hydrogen

ph

300

the separation of an atom or molecule into positive and negative ions

ionization

400

chemical reaction that releases a significant amount of heat

exothermic reaction

400

the substance that is dissolved in a solution

solute

400

having an affinity for or an attraction to fat and oils

lipophilic

400

a stable, uniform mixture of two or more substances

solution

400

a solution that has a ph above 7

alkaline solution

500

an ion with a positive electrical charge

cation

500

an ion with a negative electrical charge

anion

500

prolonged, repeated, or long-term exposure that can cause sensitivity 

overexposure

500

liquids that are not capable of being mixed together to form stable solutions

immiscible 

500

material that is capable of igniting and burning

combustible