Elements, Compounds, Mixtures

Question 1

Helium

Answer 1

E

Question 2

Water

Answer 2

C

Question 3

Mercury

Answer 3

E

Question 4

Copper

Answer 4

E

Question 5

Petrol

Answer 5

M

Question 6

Saltwater

Answer 6

M

Question 7

______ can not be separated by chemical means.

Answer 7

E

Question 8

_____ _____ are the same atoms bound together.

Answer 8

Elemental Molecules

Question 9

_____ _____ are unbounded, singular atoms.

Answer 9

Elemental Atoms

Question 10

___________ a substance made of atoms from 2 or more elements that are bound together in fixed proportions.

Answer 10

C

Question 11

__________ are single, unbound atoms with the same number of protons.

Answer 11

Elemental Atoms

Question 12

A bowl of candy is an example of _______________

Answer 12

A heterogeneous mixture

Question 13

Mayonnaise is an example of a _____________

Answer 13

A homogenous mixture

Question 14

A mixture than does not appear to be made of separate parts is called a __________ mixture

Answer 14

homogenous

Question 15

A mixture whose parts have distinct identities and can be easily seperated is a __________ mixture

Answer 15

heterogeneous

Question 16

XO XO XO is an example of an E, C, or M?

Answer 16

C

Question 17

WER WER WER is an example of an E, C, or M?

Answer 17

C

Question 18

o o o o o o o o is an example of an E, C, or M?

Answer 18

E

Question 19

o 0 o 0 o 0 is an __________ ?

Answer 19

Elemental mixture

Question 20

w r t e y x is an example of an E, C, or M?

Answer 20

M

Question 21

PP PP PP PP PP is an example of ____________ ?

Answer 21

Elemental Molecules

Question 22

An isotope is the same _______________ with a ____________

Answer 22

An isotope is the same element with a different number of neutrons and thus has different atomic numbers

Question 23

Isobars are _______________ with _____________

Answer 23

Isobars are atoms of different elements that have the same atomic mass.

Question 24

Isotopes have the same atomic number? T or F?

Answer 24

T

Question 25

Isobars have the same atomic mass? T or F?

Answer 25

T

Question 26

Define Atomic Mass

Answer 26

The top value, it tells us the sum of an atoms protons and neutrons.

Question 27

Define Atomic Numbers

Answer 27

The bottom value, it tells us the number of an atoms protons.

Question 28

A neutral atoms Atomic Number is calculated by the number of _________.

Answer 28

Electrons

Question 29

The atomic mass is/isnt affected by the number of neutrons.

Answer 29

IS

Question 30

The Atomic Number is/isnt smaller than the Atomic Mass value?

Answer 30

IS

Question 31

Define the Atomic Weight

Answer 31

The atomic weight is the average weight of different atoms. It is different to the atomic mass because it includes isotopes in its mean. Therefore, Carbon, has an atomic mass number of 12, and an atomic weight number of 12.011