worksheet#2: Physical/ Chemical Properties/ changes {chemistry: A study of matter page 2.4 to 2.9 (chemistry) {worksheet: classification of matter} – Flashcards
Unlock all answers in this set
Unlock answersquestion
__________properties can be observed without chemically changing matter.__________properties describe how a substance interacts with other substances.__________have definite shapes and definite volumes.__________ have indefinite shapes and definite volumes.__________have indefinite shapes and indefinite volumes.
answer
Physical, Chemical, Solids, Gases, Liquids
question
phase changes are__________changes.__________point is the temperature at which a liquid turns to a solid . It is also equal to the __________point which is the temperature at which a__________ turns to a__________. __________point is the temperature at which a liquid turns to a gas, and__________point is the temperature at which a gas turns to a liquid. Occasionally, a solid turns directly into a gas without turning into a liquid first. This is called__________
answer
Physical, Freezing, Melting, Solids, Liquid, Boiling, Condensation, Sublimation
question
Combustibility
answer
chemical
question
Malleability
answer
Physical
question
Weight
answer
Physical
question
Failure to react
answer
chemical
question
Ductility
answer
Physical
question
Texture
answer
Physical
question
Density
answer
Physical
question
Tendency to corrode
answer
Physical
question
Volume
answer
Physical
question
Melting point
answer
Physical
question
Odor
answer
Physical
question
Flammability
answer
chemical
question
Digestion of food
answer
chemical
question
Getting a haircut
answer
Physical
question
Evaporation
answer
Physical
question
Ice cube melting
answer
Physical
question
Crushing rocks
answer
Physical
question
Explosions
answer
chemical
question
Lighting a candle
answer
chemical
question
Tarnishing silver
answer
chemical
question
Formation of acid rain
answer
chemical
question
Dissolving salt in water
answer
Physical
question
A(n)__________is a pure substance that is made of only one kind of atom. The symbol for a(n)__________is always one or two letters. When the symbol contains two letters, the first letter is always__________, and the second letter is always__________.
answer
Element, Element, Uppercase, Lower case
question
A(n)__________is a pure substance containing two or more elements that are__________combined. A(n)__________is represented by a chemical__________. The elements in a(n)__________always combine in__________proportions.
answer
Compound, Chemically, Compound, Formula, Compound, Definite
question
A(n)__________is made of two or more substances that are__________combined.A(n)__________that is uniformly mixed is called__________.A special name for this is a(n)__________.A(n)__________that is not uniformly mixed is called__________. A special type of mixture that is a solid__________ of two or more metals is called a(n)__________.
answer
Mixture, Chemically, Mixture, Homogeneous, Solution, Mixture, Heterogeneous, Solution, Allow
question
Chocolate chip cookie
answer
Heterogeneous mixture
question
Oxygen gas
answer
Element
question
Salt water
answer
Homogeneous mixture/ solution
question
Taco
answer
Heterogeneous mixture
question
Gold
answer
Element
question
Carbon dioxide
answer
Compound
question
Water
answer
Compound
question
Kool aid
answer
Element
question
Table salt
answer
Element
question
Muddy water
answer
Heterogeneous mixture
question
Potassium
answer
Element
question
Brass
answer
Homogeneous mixture/ solution
question
Graphite
answer
Element
question
Galss
answer
Homogeneous mixture/ solution
question
Air
answer
Homogeneous mixture/ solution
