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Java Games: Flashcards, matching, concentration, and word search. |
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CC3a - structure of an atom
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| A | B |
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| all matter is made up of | atoms |
| atoms cannot | be created or destroyed |
| the atoms in an element | are all identical |
| protons, neutrons and electrons | are sub-atomic particles |
| charge on a proton | +1 |
| charge on a neutron | 0 |
| charge on an electron | -1 |
| overall charge on an atom | 0 |
| relative mass of a proton | 1 |
| relative mass of a neutron | is 1 |
| relative mass of an electron | 1/1835 |
| atoms in elements | always have equal numbers of protons and neutrons |
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