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Java Games: Flashcards, matching, concentration, and word search. |
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Know Your Atom
This activity is designed to help you remember the particles and structure of the atom!
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| A | B |
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| nucleus | dense core of atom |
| proton | positive charged particle |
| neutron | neutral charged particle |
| electron | negative charged particle |
| energy level | the area occupied by electrons |
| atomic number | the number of protons |
| mass number | the sum of protons and neutrons |
| isotope | elements with different # of neutrons |
| group | a column of elements |
| period | a row of elements |
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