The Periodic Table

Question 1

What is the scientific name of group 8 elements

Answer 1

Noble Gases

Question 2

How do group 8 elements react

Answer 2

They don’t react

Question 3

Why don’t group 8 elements react

Answer 3

They have a full outer energy level, so they don’t lose or gain electrons, nor share them

Question 4

What is the scientific name of group 7 elements

Answer 4

Halogens

Question 5

What is the charge of group 7 ions

Answer 5

-

Question 6

What is the charge of group 1 ions

Answer 6

+

Question 7

What is the charge of group 2 ions

Answer 7

2+

Question 8

What is the scientific name of group 1 elements

Answer 8

Alkali Metals

Question 9

What is the scientific name of group 2 elements

Answer 9

Alkaline Earth Metals

Question 10

Elements are arranged in order of _______________

Answer 10

atomic number / proton number

Question 11

Elements in the same ______ have similar chemical properties

Answer 11

group

Question 12

What is the pattern in density of transition metals (high or low?)

Answer 12

High

Question 13

The melting points _________ from Li to Fr

Answer 13

decrease

Question 14

The hardness and density of metals __________ from Li to Fr

Answer 14

decrease

Question 15

The reactivity __________ from Li to Fr

Answer 15

increases

Question 16

Metal + Water —–>

Answer 16

Metal hydroxide + Hydrogen

Question 17

What state is chlorine at room temperature

Answer 17

gas

Question 18

What state is iodine at room temperature

Answer 18

solid

Question 19

What state is bromine at room temperature

Answer 19

liquid

Question 20

All halogens come in groups of ___

Answer 20

two (they are diatomic)

Question 21

The reactivity _________ from Cl to I

Answer 21

decreases

Question 22

The melting point __________ from Cl to I

Answer 22

increases

Question 23

non-metal oxide + water —>

Answer 23

acid (hydrogen compound)

Question 24

Flash cards on colours: https://quizlet.com/139829404/igcse-chemistry-colours-of-substances-flash-cards/