Chem Vocab Ch.3

Question 1

Decomposition

Answer 1

Matter dividing into smaller amounts of new substances

Question 2

The Law of Mass Conservation

Answer 2

Matter cannot be created or destroyed; it can only changes form

Question 3

Nonmetals

Answer 3

Elements that are typically brittle, lack luster, and do not conduct electricity

Question 4

Law of Definite Proportions

Answer 4

The proportion of elements in any compound is always the same

Question 5

Continuous Theory of Matter

Answer 5

Substances were composed of long, unbroken blobs of matter, can divide it in half forever

Question 6

Law of Multiple Proportions

Answer 6

If two elements combine to form different compounds, the ratio of masses of the second element that reaches a fixed mass of the first element will be a simple, whole-number ratio

Question 7

Metalloids

Answer 7

Elements that have some metal properties and some that have nonmetal properties.

Question 8

Discontinues Theory of Matter

Answer 8

Matter is composed of tiny individual parts.

Question 9

Chemical Symbol

Answer 9

the abbreviation for an atom

Question 10

Elements

Answer 10

Any substances that cannot be decomposed into less massive substances

Question 11

Qualitative Measurements

Answer 11

Not an exact amount

Question 12

Quantitative Measurements

Answer 12

An exact amount

Question 13

Compound

Answer 13

Substances that can be decomposed into elements