Chapter 1

Question 1

What makes up our bodies, belongings, physical environment and universe?

Answer 1

Matter

Question 2

What are the 4 phases of matter

Answer 2

Liquids
Gases
Solids
Plasmas

Question 3

Pure substances may be

Answer 3

Elements
Compounds

Question 4

Mixtures may be

Answer 4

Heterogeneous
Homogeneous

Question 5

Elements contain

Answer 5

-Atoms of the same type
-cannot be separated into simpler substance by chemical means

Question 6

Compounds contain

Answer 6

-2 or more different types of atoms
-cannot be separated into a simpler substance by any physical process

Question 7

Heterogeneous mixture

Answer 7

A composition that varies throughout.
Ex: gravel

Question 8

Homogeneous mixture

Answer 8

Has a uniform composition throughout.
Ex: sugar dissolved in water

Question 9

Mixtures

Answer 9

A combination of 2 or more substances in which the substances retain their distinct identities

Question 10

Classify if this is an element, compound, or mixture: carbon dioxide

Answer 10

Compound

Question 11

Classify if this is an element, compound, or mixture: nickel

Answer 11

Element

Question 12

Classify if this is an element, compound, or mixture: cocaine

Answer 12

Compound

Question 13

Classify if this is an element, compound, or mixture: water

Answer 13

Compound

Question 14

Classify if this is an element, compound, or mixture: fluorine

Answer 14

Element

Question 15

Classify if this is an element, compound, or mixture: table salt

Answer 15

Compound

Question 16

Classify if this is an element, compound, or mixture: soap

Answer 16

Mixture

Question 17

Classify if this is an element, compound, or mixture: sea water

Answer 17

Mixture

Question 18

Physical property

Answer 18

Is one that can be observed and measured without changing the IDENTITY of a substance

Question 19

Quantitative

Answer 19

Measured and expressed with a number

Question 20

Qualitative

Answer 20

Not requiring explicit measurement

Question 21

Physical change

Answer 21

The state of matter changes but the identity does not change.
Ex: ice melting to water

Question 22

Chemical properties

Answer 22

After a chemical change, the original substance will become a new different substance. The change can not be reversed.
Ex: hydrogen gas burns in oxygen to form water

Question 23

The measured value of an extensive property

Answer 23

Depends on the amount of matter
Ex: mass

Question 24

The value of an intensive property

Answer 24

Does NOT depend on the amount of matter
Ex: density and temperature

Question 25

Length

Answer 25

Meter (m)

Question 26

Mass

Answer 26

Kilogram (kg)

Question 27

Time

Answer 27

Second (s)

Question 28

Electric current

Answer 28

Ampere (A)

Question 29

Temperature

Answer 29

Kelvin (K)

Question 30

Amount of substance

Answer 30

Mole (mol)

Question 31

Luminous intensity

Answer 31

Candela (cd)

Question 32

Mega- (M)

Answer 32

1x 10^6 1,000,000

Question 33

Kilo- (k)

Answer 33

1 x 10^3 1,000

Question 34

Deci- (d)

Answer 34

1 x 10^-1 0.1

Question 35

Centi- (c)

Answer 35

1 x 10^-2 0.01

Question 36

Milli- (m)

Answer 36

1 x 10^-3 0.001

Question 37

Micro- (u)

Answer 37

1x10^-6 0.000001

Question 38

Nano- (n)

Answer 38

1x10^-9 0.000000001

Question 39

Write 11,000 in scientific notation

Answer 39

1.1 x 10^4

Question 40

Write 0.001021 in scientific notation

Answer 40

1.021 x 10^-3

Question 41

Giga- (G)

Answer 41

1x10^9 1,000,000,000

Question 42

What are found in the center of the atom

Answer 42

Protons and neutrons

Question 43

What are found outside the nucleus

Answer 43

Electrons

Question 44

Proton charge and mass

Answer 44

Relative charge: +1 Relative mass: 1

Question 45

Neutron charge and mass

Answer 45

Relative charge: 0 Relative mass: 1

Question 46

Electron charge and mass

Answer 46

Relative charge: -1 Relative mass: 0

Question 47

Mass number

Answer 47

Number of protons + neutron (Top left of the element symbol)

Question 48

Atomic number

Answer 48

Number of protons (Bottom left of element symbol)

Question 49

How many neutrons are in element U with a mass number of 235 and atomic number of 92

Answer 49

143

Question 50

Metal

Answer 50

Good conductor of heat and electricity

Question 51

Nonmetal

Answer 51

Poor conductor of heat and electricity

Question 52

Metalloid

Answer 52

Has properties that are intermediate between those of metals and non mental

Question 53

Where can you find alkali metals on the period table?

Answer 53

Group 1

Question 54

Where can you find alkaline earth metals on the periodic table?

Answer 54

Group 2

Question 55

Where can you find halogens on the periodic table?

Answer 55

Group 17

Question 56

Where can you find noble gases on the periodic table?

Answer 56

Group 18

Question 57

An atomic ion or monoatomic ion is one that consists of

Answer 57

Just one atom with a positive or negative charge

Question 58

An ion whose net charge is positive due to a decrease of electrons

Answer 58

Cation

Question 59

An ion whose net charge is negative due to an increase in the number of electrons

Answer 59

Anion

Question 60

Na+ is a…

Answer 60

Cation

Question 61

CI- is a…

Answer 61

Anion