Part 1 of Essay
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 ....

Part 2 of Essay
.... 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 is the letter(s) that describe the element. Like He means helium, but if you wrote it HE it could mean something totally different so be careful. An isotope has fewer or more neutrons than protons. So there isn't the same number of protons as neutrons. Well now that I'm big again I hope you learned everything you wanted to know about a ....