Atoms

Question 1

Define atom

Answer 1

Consists of a cluster of protons and neutrons surrounded by a cloud of electrons

Question 2

Define compound

Answer 2

A pure substance that us made up of two or more different types of atoms chemically joined

Question 3

Define element

Answer 3

A substance made up of only one type of atom

Question 4

Define electron shell

Answer 4

Part of the electron cloud, a layer that surrounds the nucleus and can only hold a certain of electrons

Question 5

Define electron configuration

Answer 5

The number of electrons in each of the electron shells of an atom

Question 6

Define crystal lattice

Answer 6

A grid like structure of atoms and ions where each particle is bonded to all of its neighbouring atoms

Question 7

Define atomic number

Answer 7

The number of protons in a nucleus

Question 8

Define electron

Answer 8

A small negatively charged particle that creates a cloud of electrons surrounding a nucleus

Question 9

Define isotopes

Answer 9

Atoms that have the same number of protons but a different number of neutrons

Question 10

Define mass number

Answer 10

The number of protons and neutrons in an atom

Question 11

Define neutral

Answer 11

No over all charge

Question 12

Define neutron

Answer 12

A particle with no electrical charge found in the nucleus of an atom

Question 13

Define nucleus

Answer 13

A cluster of neutrons and protons at the centre of an atom

Question 14

Define proton

Answer 14

A positively charged particle in the nucleus

Question 15

What are the first 20 elements

Answer 15

Hydrogen 
Helium 
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine 
Neon 
Sodium 
Magnesium
Aluminium
Silicon 
Phosphorus 
Sulfur
Chlorine 
Argon

Question 16

Symbol hydrogen

Answer 16

H

Question 17

Symbol helium

Answer 17

He

Question 18

Symbol lithium

Answer 18

Li

Question 19

Symbol beryllium

Answer 19

Be

Question 20

Symbol boron

Answer 20

B

Question 21

Symbol carbon

Answer 21

C

Question 22

Symbol nitrogen

Answer 22

N

Question 23

Symbol oxygen

Answer 23

O

Question 24

Symbol fluorine

Answer 24

F

Question 25

Symbol neon

Answer 25

Ne

Question 26

Symbol sodium

Answer 26

Na

Question 27

Symbol magnesium

Answer 27

Mg

Question 28

Symbol aluminium

Answer 28

Al

Question 29

Symbol silicon

Answer 29

Si

Question 30

Symbol phosphorus

Answer 30

P

Question 31

Symbol Sulfur

Answer 31

S

Question 32

Symbol chlorine

Answer 32

Cl

Question 33

Symbol argon

Answer 33

Ar

Question 34

Symbol potassium

Answer 34

K

Question 35

Symbol calcium

Answer 35

Ca

Question 36

Period

Answer 36

Rows and tells us how many electron shells it has

Question 37

Group

Answer 37

Tells us how many electrons in its outer shell | Vertical

Question 38

Group 1 elements?

Answer 38

All react in / with water

Question 39

Noble gases

Answer 39

Had a full outer electron shell and can't bond with other atoms. Helium to radon

Question 40

Where are the non metals

Answer 40

Step formation from boron to ununoctium

Question 41

How to calculate neutrons

Answer 41

Mass no. - atomic no.

Question 42

Placement of electron shells

Answer 42

``` 1st = 2 electrons 2nd = 8 electrons 3rd = 8 for the first 20 elements ```

Question 43

What make crystal lattices

Answer 43

Made up of carbon and copper

Question 44

What make crystal lattices

Answer 44

Made up of carbon and copper