Quiz: Electronic Configuration for the First 20 Elements
Edexcel GCSE Chemistry
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Building on what you've learned about atoms and the periodic table, let's test your knowledge of electronic configuration for the first 20 elements!
Which of the following is the correct electronic configuration of oxygen (atomic number 8)?
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Which of the following elements have 2 electrons in their outermost shell? (Select all that apply)
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The electronic configuration of carbon (atomic number 6) is {{blank0}}, as it has 2 electrons in the first shell and {{blank1}} electrons in the second shell.
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
Which element has the electronic configuration 2, 8, 1?
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Which statements about electronic configuration are true? (Select all that apply)
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The electronic configuration of aluminium (atomic number 13) is {{blank0}}, because the first shell holds 2 electrons, the second holds {{blank1}}, and the third holds {{blank2}}.
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Match the items on the left with their correct pairs on the right
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How many electrons are in the outer shell of phosphorus (atomic number 15)?
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Match the items on the left with their correct pairs on the right
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