The Periodic Table

Question 1

What do columns tell us about elements?

(2)

Answer 1

1. Elements with similar properties form columns…
2. …Because they have the same number of electrons in their outer shells

Question 2

What are vertical columns known as?

Answer 2

Groups

Question 3

If you know the properties of one elements in a group, this means you can…

Answer 3

… Predict the properties of other elements in the group

Question 4

Explain the 3 similarities of the elements in Group 1

Answer 4

1. All metals
2. All react with water to form an alkaline solution and hydrogen gas
3. All react with oxygen to form an oxide

(to summarise, they all react the same way)

Question 5

Give the 2 similarities of the noble gases

Answer 5

1. All have full outer shells _{(all 8 apart from helium which has 2)}
2. Very stable and unreactive

Question 6

What does the row of the element tell you?

Answer 6

The row determines the amount of energy levels in the element

Question 7

What are the horizontal rows called?

Answer 7

Periods