3 Elements,Compounds, and Mixtures

Question 1

Elemet

Answer 1

A substance that cannot be separated or broken down into simpler substance by chemical means.

Question 2

Pure substance

Answer 2

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.

Question 3

Metal

Answer 3

An element that is shiny and that conducts heat and electricity well.

Question 4

Nonmetal

Answer 4

An element that conducts heat and electricity poorly.

Question 5

Metalloid

Answer 5

Elements that have properties of both metal and nonmetal.

Question 6

Compound

Answer 6

A substance made up of atoms of two or more different element joined by chemical bonds.

Question 7

Mixture

Answer 7

A combination of two or more substances that are not chemically combined.

Question 8

Solution

Answer 8

A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase.

Question 9

Solute

Answer 9

In a solution, the substance that dissolves in the solvent.

Question 10

Solvent

Answer 10

In a solution , the substance in which the solute dissolves.

Question 11

Concentration

Answer 11

The amount of a particular substance in a given quantity of a mixture, solution, or ore .

Question 12

Solubility

Answer 12

The ability of one substance to dissolve in another at a given temperature and pressure.

Question 13

Suspension

Answer 13

A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas.

Question 14

Colloid

Answer 14

A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in solution and those in suspension and that are suspended in a liquid , solid , or gas.