session masteringchemistry.com g2016CHEM 120 Signed in as kenneth wiah Help C et

Question

session masteringchemistry.com g2016CHEM 120 Signed in as kenneth wiah Help C et ter 2 PhET Simulation Build an Atom previous l 5 of 7 l next Part C In the PhET simulation, make sure that the checkbox in the bottom checked using the PhET simulatan as aieference, determine whether the following combinations of protons and neutrons right is and neutrons to the nucleus. Unstable nuclei will shake, if the Stable/Unstable form stable or unstable nuclei by adding checkbox in the lower r according to whether or not they form stable or unstable nuclei. Drag the appropriate items to their appropriate bins. i proton and 2 neutrons 5 protons and 6 neutrons 6 protons and 8 neutrons 8 protons and 8 neutrons 4 protons and 4 neutrons 2 protons and o neutrons 1 proton and o neutrons 7 protons and 5 neutrons Vntr Unstabl Hints My Answers Give up All your homework

Explanation / Answer

I will put only the stable form, the unstable you can write it yourself once you know which one is stable:

- 1 proton and 0 neutrons.

- 8 protons and 8 neutrons.

- 5 protons and 6 neutrons.

How can you knoe that? easy, if you do the sum of the protons and neutrons, you'll get the atomic mass of an element. All you have to do is match that number with the atomic mass of an element. Once you do that, see the atomic number. If the atomic number match with the number of protons, and the atomic weight, then that nuclei is stable. If not, then it's unstable. That's why these 3 are the only ones to be stable.

Hope this helps

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