Periodic Table Trends and Features

Neutrons are found in 

What are the rows of the periodic table called?

One of the three general groups of the periodic table is 

Group 2 in the periodic table is called

Is hydrogen a metal?

Electrons make up most of the atoms mass

Elements in each row have the same number of 

Halogens are group 17

Noble gases are very reactive

The maximum number of electrons the 2nd orbit can have is 

Mass number is the number of protons plus the number of __________

An element is in its simplest form

What are the columns of the periodic table called?

Elements found in each column have the same number of 

Another name for group is