1.1.3 Word Scramble
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| Question | Answer |
| What are the relative masses of protons, neutron and electrons? | Proton is 1, Neutron is 1 and Electron is 1/2000 |
| What is an isotope? | Isotopes are atoms of the same element with different numbers of neutrons |
| Why do isotopes of the same element react in the same way? | Because chemical reactions involve electrons and because neutrons make no difference to chemical reactivity |
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