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Java Games: Flashcards, matching, concentration, and word search. |
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Periodic Table
Work on the following activities.
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| A | B |
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| atomic number | number of protons |
| electron | negatively charged particle |
| valence | +1,+2,+3,-3,-2,-1 repeating pattern |
| valence electrons | outermost energy level |
| period | energy levels |
| family | vertical columns, also known as groups |
| ion | gained or lost electrons |
| proton | positively charged particle |
| nucleus | protons and neutrons |
| mass number | protons + neutrons |
| element | 100 known substances |
| neutrons | mass number - protons |
| isotope | same number of protons but different mass numbers |
| Mendeleev | Russian scientist that came up with the backbone of the periodic table |
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