General Definitions of Matter

Question 1

System

Answer 1

The part of the universe being studied in a given situation

Question 2

Phase

Answer 2

Any part of a system which is uniform in both its composition and properties

Question 3

Element

Answer 3

A substance which cannot be separated into simpler substances as a result of any chemical process.

Question 4

Atom

Answer 4

The smallest possible unit of an element which retains the fundamental properties of the element

Question 5

Molecule

Answer 5

A cluster of two or more atoms held together strongly by electrical forces.

Question 6

Ion

Answer 6

An atom or molecule which possesses an electrical charge

Question 7

Particle

Answer 7

A general term used to describe a small bit of matter such as an atom, molecule, or ion

Question 8

Examples of: Atoms

Answer 8

Silver (Ag), Copper (Cu), Hydrogen (H)

Question 9

Examples of: Molecules

Answer 9

Water (H2O), Ethanol (CH3 CH2 OH)

Question 10

Examples of: Ions

Answer 10

Chloride Ion (Cl-), Nitrate Ion (NO-3)

Question 11

Examples of: Elements

Answer 11

Silver metal, Copper metal, Hydrogen gas