If all the atoms in a substance have the same identity, that substance is an __________.
A. element
B. substance
C. solution
element
A substance can be
a. an element
b. a compound
c. an element or a compound
an element or a compound
A mixture in which different materials can be distinguished easily is
a. heterogeneous mixture
b. homogeneous mixture
c. colloid
heterogeneous mixture
Contains two or more substances blended evenly throughout
a. heterogeneous mixture
b. homogeneous mixture
c. colloid
homogeneous mixture
A mixture with particles that won't settle out - smoke is an example
a. heterogeneous mixture
b. homogeneous mixture
c. colloid
colloid
The scattering of light by colloidal particles
a. Tyndall effect
b. suspension
c. solution
Tyndall effect
A heterogeneous mixture containing a liquid in which visible particles settle
a. Tyndall effect
b. suspension
c. solution
suspension
Milk is an example of a
a. suspension
b. solution
c. colloid
colloid
Muddy water is an example of a
a. suspension
b. solution
c. colloid
suspension
Vinegar is an example of a
a. suspension
b. solution
c. colloid
solution
Orange juice is an example of
a. suspension
b. solution
c. colloid
suspension
Properties that you can observe without changing the identity of the substances that make up the material
A. chemical properties
B. physical properties
physical properties
Properties of a substance that indicate whether it can undergo a certain chemical change
A. chemical properties
B. physical properties
chemical properties
Process for separating substances in a mixture by evaporating a liquid and recondensing its vapor
A. evaporation
B. distillation
distillation
A change in size, shape, or state of matter
A. physical change
B. chemical change
physical change
Burning
A. physical change
B. chemical change
chemical change
Tearing paper
A. physical change
B. chemical change
physical change
Melting a candle
A. physical change
B. chemical change
physical change
Boiling of water
A. physical change
B. chemical change
physical change
Rotting of an egg
A. physical change
B. chemical change
chemical change
Bursting of a balloon
A. physical change
B. chemical change
physical change
Color of ink
a. physical property
b. chemical property
physical property
Flammability
A. physical property
B. chemical property
chemical property
What states that the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change?
Law of conservation of mass
Solution is another name for a
a. heterogeneous mixture
b. homogeneous mixture
homogeneous mixture
When two or more substances are combined so that each substance maintains its own properties the result is a