Part C.Using the PhET simulation as a reference, determine whether the following combinations of protons and neutrons form stable or unstable nuclei by adding protons and neutrons to the nucleus. Unstable nuclei will shake. If the Stable/Unstable checkbox in the lower right is also checked, the nuclei will be labeled Stable or Unstable.
Sort the following combinations of protons and neutrons according to whether or not they form stable or unstable nuclei.
Drag the appropriate items to their appropriate bins.
An atom is the smallest unit of matter that has the same characteristics of the element it represents. For example, you cannot divide a gold atom any further and still have gold. The building blocks for atoms have been discovered to be three different kinds of subatomic particles: protons, neutrons, and electrons. Different arrangements of these subatomic particles lead to the formation of atoms of different elements, charges, and mass.
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