Samuels PS Compounds And Mixtures Question Preview (ID: 28305)


Physical Science Compounds And Mixtures. TEACHERS: click here for quick copy question ID numbers.

The types and number of atoms in a molecule make up the
a) molecular mass
b) atomic mass
c) isotope
d) element

Groups of two or more atoms linked by chemical bonds to form distinct units
a) molecules
b) elements
c) isotopes
d) models

Molecules with the same number and types of atoms but different arrangements of atoms
a) isomers
b) isotopes
c) compound
d) solution

A substance that has the same physical properties throughout with one type of atom, molecule or non-molecular compound.
a) pure substance
b) solution
c) heterogenous mixture
d) mixture

A substance that is uniformly mixed is called
a) a solution
b) a heterogenous mixture
c) pure substance
d) isomer

Salt is mixed in water. Salt is an example of
a) solute
b) solvent
c) precipitate
d) colloid

Salt is mixed in water. Water is an example of
a) solvent
b) precipitate
c) solute
d) colloid

A mixture containing tiny suspended clumps or particles is called a
a) colloid
b) solution
c) pure substance
d) solvent

If a given substance does not readily dissolve in a given solvent, the substance is said to be
a) insoluble
b) soluble
c) concentrated
d) heterogenous

Which factor does not affect the rate of dissolving?
a) light
b) temperature
c) stirring
d) grinding the solute

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