Build an Atom

Name main particle that determine the identity of an elemen.

Where is location of electron in the atom?

What happened to the element's name every time you add a Proton?

An atom that has a positive or negative charge called?

A Neutral atom has the same number of .... & ...?

The mass number of an atom is the total amount of... & ...

An unstable Lithium has 3 protons in the Atom. It needs 3 ... to make the Lithium stable.

A Lithium has 3 protons, 3 neutrons and 2 electrons. The Lithium has ... charge.

How many electron needed to create a Stable Neutral Helium (2 protons, 1 neutron)?

What is the name of force to balance the elecromagnetic force between protons in the nucleus?