3.1-3.2 Into to chem

The number gotten by averaging the mass of all of a type of atoms is that atoms

What are the virtal columns on the periodic table to elements called?

What gives an atom its identiy

What particle are found in an atoms neucleus?

How many protons does this element have?

What is this element's atomic number?

What particle has a negitve charge?

Who disovered the eletron?

Atoms with the same number of protons but a different number of neutrons are called?

What does Carbon-12 and Carbon-14 have a different number of?

If an atom has 10 protons how many eletrons should it have?

The number of protons an atoms has is it's

Who described atom like a hard smooth balls that could not be broken?

Who develed a model that had eletrons orbiting the nuclues in specific locations?

Who develed a model that had a postive nuclus that was surrounded by eletrons?

How do you find an atoms atomic mass?

What particle has a postive charge?

What particle is the smallest?

Who descoved protons?

A atomic particle with no charge is the

How many eletrons does this element have?

What are the horizontal rows the the periodic table called?

During the gold foil experiment Rutherfords results matched his expectation.

Who was the first person to develp an atomic theory

Whose model has eletrons embeded with a postive sphere?