Periodic Table

Question 1

Metals are at what hand side of the table (as well as the centre)?

Answer 1

Left-hand side

Question 2

The verticals columns are called what?

Answer 2

Periods

Question 3

Elements with similar properties are placed in horizontal ________.

Answer 3

Groups

Question 4

Mendeleev, first put the elements in order of what?

Answer 4

Relative atomic mass.