PHet Atomic Structure Google phet It will be your first result, phet.colorado.edu/ Click on Play with sims… Click on the Chemistry simulation. Click on.

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Presentation transcript:

pHet Atomic Structure Google phet It will be your first result, phet.colorado.edu/ Click on Play with sims… Click on the Chemistry simulation. Click on Build an Atom. Click on Run Now! Open the 3 + green boxes

Directions & Questions Make a Fluorine Atom 1.Start by adding protons to the Nucleus  How many did you need to make Fluorine? _______  Why is this Atom unstable? ________________________________ 2.Add Neutrons to the Nucleus  How many neutrons were needed to make the atom stable? _______ 3.Look at the Element info on the side  What it the Atomic No. of Fluorine? ________  What is the Atomic Mass? ________  What is the charge? _______ Why is there a charge?  What is a charged atom called? _______ 4.Add 2 electrons to the 1 st orbital  what is the new charge? _______ 5.Make the atom neutral.  How many total electrons are there TOTAL in the atom? _______ Does this number match the protons? ________ Why?  Are there more neutrons than protons? _______ Why doesn’t this cause a charge?

Directions & Questions Make a Fluorine Atom 1.Start by adding protons to the Nucleus  How many did you need to make Fluorine? _______  Why is this Atom unstable? ________________________________ 2.Add Neutrons to the Nucleus  How many neutrons were needed to make the atom stable? _______ 3.Look at the Element info on the side  What it the Atomic No. of Fluorine? ________  What is the Atomic Mass? ________  What is the charge? _______ Why is there a charge?  What is a charged atom called? _______ 4.Add 2 electrons to the 1 st orbital  what is the new charge? _______ 5.Make the atom neutral.  How many total electrons are there TOTAL in the atom? _______ Does this number match the protons? ________ Why?  Are there more neutrons than protons? _______ Why doesn’t this cause a charge?