GCSE Chemistry – Charges and sizes of atoms

Last updated: 05/07/2020
CCEA GCSE Science – Chemistry foundation Atomic structure GCSE Chemistry – Charges and sizes of atoms

Learning Objectives

-I can explain why atoms have no overall electrical charge
-I can recall that atoms have a radius of about 0.1nm
-I can recall that the nucleus is less than 1/10000 of the radius of the atom

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  1. Current
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  3. Answered

  1. What is the definition of an atom?

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  2. What is in the centre of an atom?

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  3. What type of charge does a proton have?

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  4. What type of charge does a neutron have?

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  5. What type of charge does an electron have?

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  6. What is the charge on a proton?

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  7. What is the charge on a neutron?

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  8. What is the charge on an electron?

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  9. What is the overall charge of the nucleus?

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  10. Within an atom, which two subatomic particles are always equal numbers?

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  11. What is the overall charge of an atom?

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  12. What is the overall charge of an atom?

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  13. Why is there no overall charge on an atom?

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  14. What size is the radius of an atom?

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  15. What size is the nucleus compared to the radius of an atom?

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