Methods of Separation

Question 1

is a technique used in separating the solid components of a heterogeneous mixture

Answer 1

Handpicking

Question 2

is define as to pass through a sorting device like a screen to sort, separate the large

Answer 2

Sieving/sifting

Question 3

used to separate heavier and lighter substances, separate mixture by falling

Answer 3

Winnowing

Question 4

used to separate solid from fluids by filter device

Answer 4

Filtration

Question 5

solid particles trapped by filter paper

Answer 5

Residue

Question 6

Liquid that pass has pass through the filter paper

Answer 6

Filtrate

Question 7

semi-permeable paper that separates solids and liquids

Answer 7

Filter paper

Question 8

used to separate magnetic substances

Answer 8

Magnetic separation

Question 9

separating mixture by wax of evaporation

Answer 9

Evaporation to dryness

Question 10

used to separate a solvent from a mixture by distilled

Answer 10

Distillation

Question 11

separating liquid from solid

Answer 11

Decantation

Question 12

saturated solution is obtained

Answer 12

Crystallization

Question 13

It is the arrangement of the chemical elements

Answer 13

Periodic table

Question 14

The periodic table lists the elements in order of?

Answer 14

increasing atomic number

Question 15

Made up of only one kind of atom

Answer 15

Elements

Question 16

There are currently ______elements

Answer 16

118 elements

Question 17

How many elements are naturally occurring?

Answer 17

96

Question 18

How many elements are artificially made?

Answer 18

22

Question 19

75% of all matter

Answer 19

Hydrogen

Question 20

20% with oxygen being 3rd most abundant element

Answer 20

Helium

Question 21

Shorthand way of representing the elements

Answer 21

Chemical symbol

Question 22

-shiny
-good conductor
-ductile

Answer 22

Metals

Question 23

-dull(no shine)
-poor conductor

Answer 23

Non-metals

Question 24

-characteristics of metals and non-metals
-semiconductor

Answer 24

Metalloids

Question 25

They are placed to the lower right of the chemical symbols

Answer 25

Chemical formulas

Question 26

Are small numbers used in chemical formulas

Answer 26

Subscripts

Question 27

It is a special type of mixture(homogeneous mixture) that combines a solute and solvent

Answer 27

Solution

Question 28

Solid part that gets dissolved

Answer 28

Solute

Question 29

Liquid part that does the dissolving

Answer 29

Solvent

Question 30

We can measure how easily a solute will dissolve in a certain solvent. This measurement is called?

Answer 30

Solubility

Question 31

Dissolve easily or quickly

Answer 31

High solubility

Question 32

Does not dissolve easily

Answer 32

Low solubility

Question 33

Small amount of solute and light solution appears

Answer 33

Dilute

Question 34

Large amount of solute and dark solution appears

Answer 34

Concentrated