Topic 2

Question 1

How is the periodic table arranged

Answer 1

increasing atomic number
Vertical row/group Contains Elemis with similar properties
Horizontal colomb = period

Question 2

How to test an element if it is metal or non-metal

Answer 2

Burn them

Question 3

How are elements in the same group similiar

Answer 3

Same number of electrons on the outer shell

Question 4

Group 1
Group 2&3
Group 6
Group 8/0

Answer 4

Alkali metals
Transition metals
Halogens
Noble gases

Question 5

Uses of transition metals

Answer 5

Copper - electricity good conductor

Titanium - used in aeroplanes

Question 6

Every element is made of

Answer 6

Atoms

Question 7

Sun atomic particles

Answer 7

Protons
Neutron
Electrons

Question 8

Why are atoms neurtal

Answer 8

Same number of protons and electrons

Question 9

Atomic number

Answer 9

The number of protons

Question 10

Mass number

Answer 10

Total proton and neutron in nucleus

Question 11

Max outer shell number

Answer 11

2,8,8

Question 12

Isotope

Answer 12

same number of protons but different numbers of neutrons

Question 13

How to tell reactivity of elements from electrons

Answer 13

Less electrons = more reactive

Question 14

How are ions formed

Answer 14

When the ratio of protons:electrons isn’t equal