How many electrons must nitrogen gain to become like it’s closest noble gas, Neon?

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

In apex! a liquid heated beyond a certain temperature becomes

How does the motion of particles in a gas change as the gas cools