C1.1 Fundamental ideas in chemistry

Question 1

What charge and mass does a proton have?

Answer 1

Positive = +1

1

Question 2

What charge and mass does a neutron have?

Answer 2

No charge = 0

1

Question 3

What charge and mass does an electron have?

Answer 3

Negative = -1

0.0005

Question 4

In an atom where is the electron, neutron and proton found?

Answer 4

Electron = on the shells 
Neutron = inside nucleus 
Proton = inside nucleus

Question 5

On the periodic table which number shows the mass number?

Answer 5

The top number

Question 6

On the periodic table which number shows the atomic number?

Answer 6

The bottom number

Question 7

What does the mass number show?

Answer 7

The number of protons plus the number of neutrons

Question 8

What does the atomic number show?

Answer 8

The number of protons or electrons

Question 9

How do you find the number of neutrons?

Answer 9

Mass number - atomic number

Question 10

What is the maximum number of electrons each shell can have?

Answer 10

1st = 2
2nd = 8 
3rd = 8

Question 11

Give 4 facts about group one on the periodic table

Answer 11

• Alkali metals
• Most reactive metals
• react in water
• more reactive further down the group you go

Question 12

Give a fact about group two on the periodic table

Answer 12

• Transition metals

Question 13

Give 2 facts about group seven on the periodic table

Answer 13

• Halogens

- Highly reactive

Question 14

Give 2 facts about group 0/8 on the periodic table

Answer 14

• Noble gases

- Extremely low reactivity

Question 15

How are the elements in the periodic table organised

Answer 15

They go down in groups with elements with the same number of electrons on the outer shell

Question 16

What substance is formed when two elements react together?

Answer 16

A compound

Question 17

What happens to the charge when an element looses electrons?

Answer 17

It becomes positive

Question 18

What happens to the charge when an element gains electrons?

Answer 18

It becomes negative