Topic 1 - Atomic Structure and The Periodic Table

Question 1

What is filtration?

Answer 1

The separation of insoluble solids from a liquid

Question 2

What is filter paper used for in filtration?

Answer 2

To gather the solid

Question 3

What is Crystallisation used for?

Answer 3

The separation of soluble solids from a liquid

Question 4

What are the two ways to separate a soluble salt from a solution?

Answer 4

Evaporation
Crystallisation

Question 5

What is group 7?

Answer 5

Halogens

Question 6

What happens to halogens as you go down Group 7?

Answer 6

They become less reactive
High melting and boiling points
Higher relative atomic mass

Question 7

How many electrons do group 7 have in their outer shell?

Answer 7

7

Question 8

What is the relative mass of a proton?

Answer 8

1

Question 9

What is the relative mass of a neutron?

Answer 9

1

Question 10

What is the relative mass of a electron?

Answer 10

Very small / 0

Question 11

What is the charge of a proton ?

Answer 11

+1

Question 12

What is the charge of a neutron?

Answer 12

0

Question 13

What is the charge of a electron?

Answer 13

-1

Question 14

What does the atomic number tell you?

Answer 14

How many protons there are

Question 15

What does the mass number tell you?

Answer 15

The total number of protons and neutrons in the atom

Question 16

How do you get the number of neutrons?

Answer 16

Subtract the atomic number from the mass number

Question 17

What is an element?

Answer 17

A substance made of one type of an atom

Question 18

What is a subatomic particle?

Answer 18

Objects that are found in atoms, including protons, neutrons and electrons

Question 19

What is an ion?

Answer 19

It a atom with a positive or negative charge

Question 20

How is an ion formed?

Answer 20

When an atom gains or loses electrons

Question 21

What are the 3 different particles atoms are made up of?

Answer 21

Electron
Proton
Neutron

Question 22

What is the center of the atom called?

Answer 22

Nucleus

Question 23

How are compounds formed?

Answer 23

In a chemical reaction with an element

Question 24

What was the plum pudding model thought to be?

Answer 24

A ball of positive charge, with electrons scattered through

Question 25

What 2 things did Dmitri Mendeleev do to the periodic table?

Answer 25

Arraigned the laments in order of atomic weight
He lefts gaps in periodic table

Question 26

Why did Mendeleev leave gaps in periodic table?

Answer 26

He predicted new elements and properties would fit in the gaps

Question 27

What is group 0?

Answer 27

Noble gases

Question 28

Why are noble gases unreactive?

Answer 28

They have a full outer shell of electrons

Question 29

Does the melting and boiling points of the noble gases increase or decrease as you futon down the group?

Answer 29

Increase

Question 30

What is group 1?

Answer 30

Alkali metals

Question 31

Why does the reactivity of metal increase as you go down the group?

Answer 31

Because the number of electron shells in each atom increase

Question 32

What did John Newlands order his periodic table in?

Answer 32

In order of atomic mass

Question 33

What did John Newlamds realise?

Answer 33

He realised similar properties occurred every eight element - ‘law of octaves’ but broken down after calcium

Question 34

What do alkali metals form when reacted with oxygen?

Answer 34

Creates an oxide