10 minutes maximum! Can you do it in 5? |
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1. A diagram of an atom of lithium is shown. |
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What is the name of the central part of the atom and which sub-atomic particles does it contain?
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Q2-4 Which sub-atomic particle has ... |
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2. ...a relative mass of one atomic mass unit and no charge? |
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3. ...a negative charge? |
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4. ...a relative mass of almost zero (1/1836 atomic mass units)? |
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5. Atoms have no overall charge because the number of ...
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6. The electronic configuration of an atom with 16 electrons is ...
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Q7-9 Use the information given in the table below to fill in the missing information for each atom:
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10. Information on four particles, W, X, Y and Z is given below. Which are isotopes?
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