Atoms and the Periodic Table

Front

What do we call the vertical columns on the periodic table?

Back

Groups

Front

All matter is made of _________.

Back

atoms

Front

The amount of matter in an object (like weight) is its...

Back

mass

Front

What does the 1.00794 stand for?

Back

atomic mass

Front

An element is identified by

Back

its number of protons

Front

What are the horizontal rows on the periodic table called?

Back

Periods

Front

What is the smallest unit of an element?

Back

Atom

Front

What is the center of an atom called?

Back

Nucleus

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons

Front

What is the charge of a proton?

Back

Positive