Atom Quiz Review

I discovered the neutron

How many electrons are found in the iron atom?

What is a?

I proposed the atomic theory

I believed matter is made of small, solid objects that cannot be divided, created, or destroyed

The center part of the atom made up of protons and neutrons

I discovered the proton

How many neutrons are found in the iron atom?

I created the model of the atom we use today.

I discovered the electron

Using the element key below, what is the atomic number of oxygen?

I challenged Democritus' ideas about the atom.

How many neutrons are found in a hydrogen atom?

The negative particle in an atom

I conducted the Gold Foil Experiment

What is b?

The positive particle in an atom

My model of the atom was similar to a chocolate chip cookie

Region surrounding the atom's nucleus where electrons are found

What is the atomic mass of oxygen?