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Everything but air is made of atoms.
About how many atoms make up one grain of sand?
What is each type of atom called?
Where can you find a list of all the known elements?
Table of Contents
Periodic Table of Elements
What electric charge do protons have?
Protons are found in the nucleus, or center of the atom.
What electric charge do neutrons have?
What allows neutrons to hold the protons together in the nucleus?
What electric charge to electrons have?
Because electrons move so quickly around the nucleus, it make atoms look _____________ in a microscope.
Scientists can see all the parts of atoms with microscopes.
What large machines are used to smash atoms to learn more about subatomic particles?