Part one of term paper
Hey kids! Today I'm going to introduce you to the world of atoms. Atoms are little things that you or anybody else have ever seen. Make up things like trees, cars, paper, even you. So let's shrink down to size and see what it's like. We're going to into the Helium atom today. An atom is made of little things called protons, nuetrons, and elec ...

Part two of term paper
... number by counting how many protons are in the nucleus. In this case Helium has two protons. Scientists find the average atomic mass by adding up protons and neutrons many times. Then they divide the total by how many times they tried this. This time Helium has an average of 4 protons and neutrons in the center. The electron arrangement is the number of electrons in each ring or shell. In this case helium has 1 ring with 2 electrons in it. An aatom can have up to only 7 rings. An atomic symbol ...