Periodic Table

Front

Periods on the periodic table are __________.

Back

Horizontal Rows

Front

This group of elements have properties that are opposite those of metals. ______________________

Back

nonmetals

Front

The number at the bottom of each square on the periodic table is the ...

Back

atomic mass

Front

Where are the nonmetals located on the Periodic Table?

Back

On the right

Front

What is the Atomic Mass for Carbon? (This will ALWAYS be the larger number reported on the periodic table)

Back

12

Front

What are the vertical columns on the periodic table called?

Back

Groups or Families

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What do elements in the same group have in common?

Back

Similar chemical properties and the same number of valence electrons.

Front

What is the significance of the atomic mass?

Back

It represents the average mass of an element's isotopes.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.