1.1 The Study Of Chemistry

Question 1

The study of matter and the changes it undergoes.

Answer 1

Chemistry

Question 2

Anything that occupies space and has mass.

Answer 2

Matter

Question 3

A systematic approach to experimentation.

Answer 3

Scientific method

Question 4

A tentative explanation for a set of observations.

Is tested with an experiment.

Answer 4

Hypothesis

Question 5

A unifying principle that explains a body of experimental observations and the laws that are based on them.
Is constantly being tested.

Answer 5

Theory

Question 6

A concise verbal or mathematical statement of a reliable relationship between phenomena.

Answer 6

Law

Question 7

Natural phenomena and measured events; if universally consistent, can be stated as a law.

Answer 7

Observations

Question 8

Procedure to test hypothesis; measures one variable at a time.

Answer 8

Experiment

Question 9

Set of conceptual assumptions that explains data from accumulated experiments; predicts related phenomena.

Answer 9

Model (theory)

Question 10

Tests predictions based on model.

Answer 10

Further experiment

Question 11

Properties that can be measured.

Answer 11

Quantitative property

Question 12

Length

Answer 12

Meter > m

Question 13

Mass

Answer 13

Kilogram > kg

Question 14

Time

Answer 14

Second >s

Question 15

Electric current

Answer 15

Ampere > A

Question 16

Temperature

Answer 16

Kelvin > k

Question 17

Amount of substance

Answer 17

Mole > mol

Question 18

Luminous intensity

Answer 18

Candela > cd

Question 19

1 x 10^12 (1,000,000,000,000)

Answer 19

Tera-

Question 20

1x 10^9 (1,000,000,000)

Answer 20

Giga-

Question 21

1x 10^6 (1,000,000)

Answer 21

Mega-

Question 22

1x10^3 (1,000)

Answer 22

Kilo-

Question 23

1x 10^-1 (0.1)

Answer 23

Deci-

Question 24

1x 10^-2 (0.01)

Answer 24

Centi-

Question 25

1x 10^-3 (0.001)

Answer 25

Milli-

Question 26

1x 10^-6 (0.000001)

Answer 26

Micro-

Question 27

1x 10^-9 (0.000000001)

Answer 27

Nano-

Question 28

1x 10^-12 (0.000000000001)

Answer 28

Pico-

Question 29

Is the force exerted by an object or sample due  to gravity.

Answer 29

Weight

Question 30

A measure of the amount of matter in an object or sample.

Answer 30

Mass

Question 31

1 kg = ?

Answer 31

1000 g

Question 32

1000 g = ?

Answer 32

1 kg

Question 33

Is used to express the masses of atoms.

Answer 33

Atomic mass unit (amu)