Test 1

Question 1

Caustic

Answer 1

eats away living

Question 2

corrosive

Answer 2

eats way non living things

Question 3

flash point

Answer 3

a volatile material is the lowest temperature at which it can vaporize to form an ignitable mixture in air

Question 4

acute health hazard

Answer 4

effects occur directly after exposure

Question 5

chronic health hazard

Answer 5

result of long term exposure

Question 6

irritant

Answer 6

something that irritates

Question 7

mutagen

Answer 7

a physical or chemical agent that changes the genetic material

Question 8

oxidizer

Answer 8

adds oxygen to a substance

Question 9

stability

Answer 9

resistance to change

Question 10

reactivity

Answer 10

reacts to a stimulus

Question 11

combustible

Answer 11

capable of burning solid

Question 12

explosive

Answer 12

can explode ex fire cracker

Question 13

flammable

Answer 13

capable of burning liquid

Question 14

pyrophoric

Answer 14

produces sparks by friction match

Question 15

hemolytic

Answer 15

destruction of red blood cells

Question 16

volatile

Answer 16

evaporates on its own

Question 17

period

Answer 17

rows on periodic table

Question 18

group

Answer 18

column on periodic table

Question 19

atomic size

Answer 19

increases as you go down a group on the periodic table

Question 20

homogenous

Answer 20

looks the same throughout

Question 21

heterogenous

Answer 21

looks different throughout

Question 22

elements

Answer 22

pure substance/cant be broken down any farther smallest unit of a substance

Question 23

compounds

Answer 23

pure substance 2 or more elements chemically bonded together H2O

Question 24

Solutions

Answer 24

mixtures air can’t see the particle

Question 25

colloids

Answer 25

mixtures gray area milk you can see the particle but just barley cloudy

Question 26

suspensions

Answer 26

you can see the particles they settle to the bottom orange juice

Question 27

alloys

Answer 27

mixture of metals

Question 28

indicators of a chemical reaction

Answer 28

creates a new substance - precipitant - formation of a gas - color - temp change

Question 29

mixture

Answer 29

two or more substances not chemically combined hat can be separated

Question 30

atom

Answer 30

smallest component of an element having the chemical properties of the element

Question 31

molecule

Answer 31

The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms; a group of like or different atoms held together by chemical forces.

Question 32

settling

Answer 32

allow a suspension to sit and separate the parts at the bottom from the top

Question 33

filtration

Answer 33

filtering the mixture

Question 34

distillation

Answer 34

boiling out

Question 35

chromatography

Answer 35

filter paper

Question 36

metal

Answer 36

conducts electricity , malleable etc.

Question 37

nonmetal

Answer 37

doesn't conduct electricity etc.

Question 38

metalloid

Answer 38

has both metal and non-metal properties