Chemistry

Question 1

Malleability

Answer 1

Ability to be bent, folded, or hammered

Question 2

Ductility

Answer 2

Ability to be stretched into a long wire

Question 3

Colour

Answer 3

What colour it is.

Question 4

Viscosity

Answer 4

Resistance to flow

Question 5

Texture

Answer 5

What texture it has. Fine, coarse, rough, smooth, bumpy

Question 6

Clarity

Answer 6

How clear it is. Opaque, translucent, or transparent.

Question 7

Luster

Answer 7

How shiny it is. Shiny or dull.

Question 8

Density

Answer 8

How dense it is.

Question 9

Conductivity

Answer 9

Ability to conduct heat or electricity.

Question 10

Brittleness

Answer 10

Can it break apart easily? Brittle or flexible.

Question 11

Hardness

Answer 11

Is it scratched easily?

Question 12

Physical state

Answer 12

What state it’s in—solid, liquid, or gas

Question 13

Form

Answer 13

Is its form regular (crystalline) or irregular (amorphous)

Question 14

Melting point

Answer 14

The temperature of when it melts (solid to liquid)

Question 15

Boiling point

Answer 15

Temperature when liquid boils (turns into gas)

Question 16

Solubility

Answer 16

The measure of the ability of a substance to dissolve in another.

Question 17

Formula for finding density

Answer 17

d = m/v

Question 18

Formula for finding mass

Answer 18

M = VD

Question 19

Formula for finding volume

Answer 19

V = m/d

Question 20

What is the process name for solid to liquid?

Answer 20

Melting

Question 21

What is the process name for turning liquid into gas?

Answer 21

Evaporation (iquid is warmed up and evaporates).

Question 22

What is the process name for solid to gas?

Answer 22

Sublimation

Question 23

What is the process name for gas to solid?

Answer 23

Deposition

Question 24

What is the process name for gas to liquid?

Answer 24

Condensation

Question 25

What is the process name for liquid to solid?

Answer 25

Freezing

Question 26

What are the 5 points of the Particle Theory of Matter?

Answer 26

• All matter is made out of particles
• Different substances are made of different types of particles
• Heating particles cause particles to speed up (vibrates) and space out
• Particles are in constant random motion
• There are forces between particles

Question 27

What is a mixture?

Answer 27

Made of more than 1 type of particle

Question 28

What is a solution?

Answer 28

Mixtures in which the particles mix well - only 1 visible part

Question 29

Heterogeneous mixture

Answer 29

Mixtures in which particles do not mix well - can see more than 1 part

Question 30

Pure substances

Answer 30

All particles in the substance are identical

Question 31

Compounds

Answer 31

Pure substance where the particles are made of 2 or more types of atoms

Question 32

Elements

Answer 32

Pure substances in which particles are only made of 1 type of atom

Question 33

What charge is proton and where is it located?

Answer 33

+1 and is located in the nucleus

Question 34

What charge is electron and where is it located?

Answer 34

-1 and located in orbits

Question 35

What charge is neutron and where is it located?

Answer 35

0 and located in the nucleus.

Question 36

True or false: Protons and Electrons have the same amount

Answer 36

True.

Question 37

How many electrons would Calcium have in a BR diagram? (20p, 40n)

Answer 37

20 electrons

Question 38

Name for the compound sodium and chlorine

Answer 38

Sodium chloride

Question 39

Name the compound for magnesium and sulphur

Answer 39

magnesium sulphide