Chemistry - Periodic Table - Groups

Question 1

As you go along the groups of the periodic table, what increases?

Answer 1

The amount of electrons in the outer shell increases. E.g, magnesium (group 2) has 2 electrons in its outer shell whilst oxygen (group 6) in has 6 in its outer shell.

Question 2

As you go down the periods of the periodic table, what increases?

Answer 2

The amount of outer shells in an atom increases. Potassium has 3 outer shells whilst Francium has 6.

Question 3

What is the name of group 8/0?

Answer 3

It is known as noble gases becuase they all have a full outer shell of electrons

Question 4

What is the name of the group of metals that inhabit the centre of the table?

Answer 4

They are called transitional metals because they are in between group 2 and 3, and have no fixed outer shell.

Question 5

How are the elements ordered within their groups?

Answer 5

In order of reactivity. Least reactive at the top, most reactive at he bottom

Question 6

How are the elements ordered within their groups?

Answer 6

In order of reactivity. Least reactive at the top, most reactive at he bottom

Question 7

What is the name of group 7?

Answer 7

They are known as the halogens.