Classes of Matter HW & QUIZ

Question 1

Two or more substances physically combined form an ___________

Answer 1

mixture

Question 2

Two or more substances chemically combined are called a _____

Answer 2

compound.

Question 3

__________ elements, such as chlorine (CL2) are found in nature in their elemental form as two-atom molecules.

Answer 3

diatomic

Question 4

glucose is an example of an

Answer 4

compound

Question 5

mint chocolate chip ice cream is an example of an ______________

Answer 5

.

Question 6

Sodium Chloride uniformly mixed in water is an example of an_______________

Answer 6

.

Question 7

Flat diet coke that has lost all of its bubbles is an examples of an ___________

Answer 7

..

Question 8

Which of the following substances cannot be broken down by ordinary chemical reactions?

a) water
b) gold
c) carbon dioxide
d) glucose

Answer 8

b

Question 9

which of the following does not have a uniform composition?

a) pure water
b) Salt water
c) oxygen gas
d) salad

Answer 9

salad

Question 10

which of the following is made up of only one type of atom?

a) NO
b) He
c) C)
d) MgS

Answer 10

b

Question 11

which of the following represents a mixture?

a) NaCl(s)
b) NaCl(1)
c) NaCl(g)
d) NaCl(aq)

Answer 11

d

Question 12

identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:

1. ) Hydrogen Peroxide (H2O2) ____________
2. ) Vanadium (V) _______________
3. ) Oxygen (02) ___________________

Answer 12

1. compound
2. element
3. diatomic element

Question 13

identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:

1. Orange juice with pulp _____________
2. HCl (aq) ______________
3. Salt and Pepper _________________
4. Chicken Noodle soup ____________

Answer 13

1. heterogeneous mixture
2. Homogeneous mixture
3. heterogeneous mixture
4. heterogeneous mixture

Question 14

identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:

1. Octane (c8H18) ______________
2. Oil and Water _________________
3. Sugar and Water _______________

Answer 14

1. compound
2. Heterogeneous
3. Homogeneous mixture

Question 15

A substance that is made up of only one type of atom, gallium for example is called an ___________

Answer 15

element

Question 16

anything that has mass and volume

Answer 16

matter

Question 17

amount of matter in an object

Answer 17

Volume

Question 18

Unit of Volume

Answer 18

Liters

Question 19

amount of space taken up

Answer 19

mass

Question 20

two of the same atoms bonded together

Answer 20

diatomic element

Question 21

mixture that has same consistency throughout

Answer 21

Homogeneous mixture

Question 22

the curve you see at a liquid’s surface

Answer 22

meniscus

Question 23

two or more atoms bonded together

Answer 23

compound

Question 24

two or more pure substances combined

Answer 24

mixture

Question 25

mixture that can be separated by physical means

Answer 25

heterogeneous mixture

Question 26

the three ways a chemical can enter your body are:

a) absorption, touch, ingestion
b) abrasion inhalation, smelling
c) absorption, inhalation, ingestion
d) digestion, corrosion, consumption

Answer 26

c) absorption, inhalation, ingestion