Chemistry

Question 1

What are solids?

Answer 1

Solids are a fixed shape.

Question 2

What are liquids?

Answer 2

liquids take the shape of a container.

Question 3

What are gasses?

Answer 3

gasses take the shape of a container however they move around freely.

Question 4

Are melting and boiling point of a pure substate fixed?

Answer 4

Yes

Question 5

What is the change of state called from solid to liquid.

Answer 5

melting

Question 6

What is the change of state called from liquid to solid

Answer 6

freezing

Question 7

What is the change of state called from solid to gas

Answer 7

sublimation

Question 8

What is the change of state called from gas to liquid

Answer 8

condensation

Question 9

What is the change of state called from gas to solid

Answer 9

deposition

Question 10

What is the change of state called from liquid to gas

Answer 10

evaporation

Question 11

How do you identify the melting and boiling point on a graph

Answer 11

Pause int he tempriture rising were it sraight.

Question 12

Eere do you find the electron

Answer 12

Outer shell

Question 13

Were do you find a neutron and proton

Answer 13

In the nucleus

Question 14

What charge does a nuetron have

Answer 14

=

Question 15

What charge does a proton have

Answer 15

+

Question 16

What charge does an electron have

Answer 16

-

Question 17

How do you find out the number of protion and elctrons and the atomic number.

Answer 17

The bottom number on a periodic table is the same for all 3.

Question 18

How do you get the number of nutrons.

Answer 18

The amount of protons
- the mass number

Question 19

How do you get number of moles

Answer 19

Mass of subsatance divided by relitive formula mass

Question 20

What is avagadros number

Answer 20

6.02 x 10 to the power of 23

Question 21

How do you get number of particles

Answer 21

Number of moles x avagadros number

Question 22

Percentige of an element in a compound

Answer 22

Masss of element in coumpound divided by reletive formula mass x100