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Chemistry Facts

What Give Batteries Their Charge?

There is in chemistry only one function that is of fundamental importance: the ability of atoms to share electrons. In any such sharing program, there must be electron donors and electron acceptors. ... Continue reading

What is Oxidation?

The term 'oxidation' derives from the ancient observation of rust (oxide) formation. Early chemists could determine an increase in the weight of a metal as it apparently captured something from the ... Continue reading

What Is A Half-life?

When isotopes break down, or decay, they usually split apart into two smaller atoms. Excess neutrons and protons are often sent flying off through space, taking the excess energy of the atoms with ... Continue reading

Natural uranium contains 99% U238 and only about 0.7% U 235 by weight.

Why does popcorn pop?

Popcorn is the most amazing food! It all starts with a kernel only several millimeters in diameter which explodes into a 40-50 times bigger fluffy, tasty, white wonder. The kernel is made of three ... Continue reading

The evolution of the popcorn kernel as it is exploding. Compare the sizes before and after it has popped.