http://phet.colorado.edu/en/simulation/build-an-atom
Go to this simulator and click on Run Now and then OK.
Make sure the symbol, mass number and net charge sections are open by clicking on the + sign.
For each element you make, you will see the element lit up on the periodic table.
Here is what it should look like:
What happens when you add a proton?
What does it mean when an atom is stable? What does it mean when an atom is unstable?
How do you make an atom stable? What do you need to do?
What is the valence electron pattern as you move across the periodic table?
What happens to the atom when there is more protons, more neutrons, or more electrons?
What's the difference between a positive and a negative ion?
How do you make a neutral ion (charge of 0)?
When you have finished exploring this simulation, you will play the game. You may need to review what it means to be a neutral atom or an ion (+ or -).
Go to this simulator and click on Run Now and then OK.
Make sure the symbol, mass number and net charge sections are open by clicking on the + sign.
For each element you make, you will see the element lit up on the periodic table.
Here is what it should look like:
What happens when you add a proton?
What does it mean when an atom is stable? What does it mean when an atom is unstable?
How do you make an atom stable? What do you need to do?
What is the valence electron pattern as you move across the periodic table?
What happens to the atom when there is more protons, more neutrons, or more electrons?
What's the difference between a positive and a negative ion?
How do you make a neutral ion (charge of 0)?
When you have finished exploring this simulation, you will play the game. You may need to review what it means to be a neutral atom or an ion (+ or -).
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