Science

Question 1

Matter change but not chemical identity

Answer 1

Physical change

Question 2

A chemical reaction from new product

Answer 2

Chemical change

Question 3

5 example of change

Answer 3

Texture
Color
Temperature
Shape
Change of state

Question 4

Solid to liquid

Answer 4

Melting

Question 5

Liquid to solid

Answer 5

Freezing

Question 6

Liquid to solid

Answer 6

Freezing

Question 7

This is process happen when solid change directly to liquid

Answer 7

Melting

Question 8

It is process occurs when liquid change directly to solid

Answer 8

Freezing

Question 9

Liquid to gas

Answer 9

Evaporation

Question 10

Gas to liquid

Answer 10

Condensation

Question 11

It is process occur when liquid change directly to gas

Answer 11

Evaporation

Question 12

It is process occur when gas change directly to liquid

Answer 12

Condensation

Question 13

Solid to gas

Answer 13

Sublimintation

Question 14

Gas to solid

Answer 14

Deposition

Question 15

It is process happen when solid change directly to gas

Answer 15

Sublimintation

Question 16

Dis is process happen when a gas change directly to solid

Answer 16

Deposition

Question 17

Is a transion of matter from one state to another

Answer 17

Phase change

Question 18

Occurs when liquid change to solid

Answer 18

Freezing

Question 19

Occurs when solid change directly to liquid

Answer 19

Melting

Question 20

Occurs when solid change directly to gas

Answer 20

Sublimintation

Question 21

Occurs when gas change directly to solid

Answer 21

Deposition

Question 22

Is when gas change directly to liquid

Answer 22

Condensation

Question 23

Happen when liquid change directly to gas

Answer 23

Evaporation

Question 24

Different number of neutron

Answer 24

Isotopes

Question 25

Lose an electron

Answer 25

Metallic property

Question 26

Attract an electron

Answer 26

Non metallic property

Question 27

Law of triads

Answer 27

Johann debereiner

Question 28

Law of octaves

Answer 28

John newland

Question 29

Discover element

Answer 29

Lothar Meyer and Dmitri Mendeleev

Question 30

Modern periodic table

Answer 30

Henry Moseley

Question 31

||||

Answer 31

Group family

Question 32

No part and smaller particles

Answer 32

Atom

Question 33

-1

Answer 33

Electron

Question 34

+1

Answer 34

Proton

Question 35

0

Answer 35

Neutron

Question 36

Atoms measure visible

Answer 36

Democritus

Question 37

Billiard ball

Answer 37

John Dalton

Question 38

Rainsin bread model

Answer 38

Joseph jhon thomson

Question 39

Ernest rutherford

Answer 39

Nuclear atomic model

Question 40

Niel bohn

Answer 40

Planetary model

Question 41

Electron cloud model

Answer 41

Erwin schrodinger