atoms and periodic table vocabulary

In the formula, H₂O, the number 2 is a ____________.

What is the chart of elements called?

What represents a compound?

What is the atomic number?

What is NOT a synonym for atomic mass?

What particle is NOT found in the nucleus?

What is the negatively charged particle called?

what is the big number that indicates the number of molecules?

What represents an element?

What is the smallest particle of an element?

What is the center of the atom called?

What are the columns on the Periodic Table called?

Who created the Periodic Table?

What particle is positively charged?

What are the rows on the Periodic Table called?

What is made up of two or more elements that are combined chemically?

What is the small number that tells you the number of atoms?

What particle is neutral charged?

What is the protons plus neutrons called?

What is made up of one type of atom?