Nonmetals
Metals
Nonmetals (Cont.)
Terms
Terms (Cont.)
100

what is the most abundant element in the universe?

Nitrogen

100

metal used in wiring and as a component of brass and bronze

copper

100

has an allotrope called ozone

oxygen

100

a mixture containing tiny clumps or particles that remain suspended and do not settle out

colloid

100

the minimum kinetic energy that a molecule must possess to undergo a chemical reaction

activation energy

200
a gas necessary for human and animal survival

oxygen

200

metal commonly refined by means of blast furnaces

iron

200

halogen used in dental hygiene and in the manufacturing of refrigerants

flourine

200

a chemical system in which the rates of reaction in opposite directions have equalized so that the concentration of production and reactant is constant

equilibrium

200

the science of extracting metals from their ores and preparing them for use

metallurgy

300

noble gas used in airships and weather balloons

helium

300

the most malleable and ductile metal known

gold

300

halogen used in the disinfection of drinking water and the synthesis of medicines

chlorine

300

a mixture of two or more metals, usually melted together

alloy

300

substances that dissolve in water to produce ions that can conduct an electrical current

electrolytes

400

exists in an unstable white allotrope and a more stable red allotrope

phosphorus

400

most common semimetal; found in computer chips, glass, and sand

silicon

400

the element used to make matches and some fertilizers; used mainly as an industrial chemical

sulfur

400

a substance that increases the rate of a chemical reaction without being consumed in the reaction

catalyst

400

the flow of a solvent through a semipermeable membrane from a more dilute solution to a more concentrated solution

osmosis

500

extracted from petroleum using the Claus process; used to make an industrial acid

sulfur

500

alkaline earth metal that helps compose limestone, slaked lime, and cement

calcium

500

has the isotopes known as protium, deuterium, and tritium

helium

500

the study of reaction rates and pathways

chemical kinetics

500

a factor that causes a change in an equilibrium system

stress