2.1.2 Groups and Periods

Question 1

What do we call columns of the periodic table?

Answer 1

Groups

Question 2

What do we call rows of the periodic table?

Answer 2

Periods

Question 3

When we look down a group or across a period there are _______ in properties such as melting point, boiling point and density.

Answer 3

patterns

Question 4

By looking at patterns down a group or across a period of the periodic table we can make ________ about unknown elements in that group

Answer 4

predictions