Chemistry-Principles and Practices

Question 1

_______ contain two or more atoms of the same element in definite proportions

Accepted Answer

Elemental Molecules

Question 2

What are charachteristics that do not require a chemical reaction and do not involve a chemical change in the substance?

Accepted Answer

Physical Properties

Question 3

The basic unit of matter

Accepted Answer

Atom

Question 4

All liquids are either miscible or immiscible

Accepted Answer

True

Question 5

Molecules are made by combining:

Accepted Answer

Atoms

Question 6

Liquids that are mutually soluble, meaning that they can be mixed together to form clear, stable solution are miscible

Accepted Answer

True

Question 7

A substance that dissolves the solute is called a solvent

Accepted Answer

True

Question 8

The simplest form of a chemical matter (cannot be broken down without loss of identity) is:

Accepted Answer

Element

Question 9

A chemical combination of two or more different molecules in a fixed (definite) proportions is called:

Accepted Answer

Molecule

Question 10

A chemical combination of matter in definite proportions is a

Accepted Answer

Pure Substance

Question 11

_____________ containing two or more different molecules in definite proportions

Accepted Answer

Compound Molecules

Question 12

Molecules are made by combining what?

Accepted Answer

Atoms

Question 13

Any substance that occupies space and has a mass is called...

Accepted Answer

Matter

Question 14

What is a chemically bonded combination of matter in definite proportions?

Accepted Answer

Fusion

Question 15

An unstable physical mixture of two or more immiscible substances plus an emulsifier is a/an:

Accepted Answer

Emulsion

Question 16

Liquids that are not capable of being mixed together to form a stable solution are

Accepted Answer

Immiscible

Question 17

Science that deals with the composition structures and properties ofmatter and how it changes under different conditions

Accepted Answer

Chemistry

Question 18

These are charachteristics that can only be determined by a chemical reaction and chemical change in the substance

Accepted Answer

Chemical Properties

Questions 18