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Question 1 of 4
1. Question
The graph shows the first five ionisation energies (IEs) of an element.
Which of these is the element?
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Question 2 of 4
2. Question
The table shows the first eight ionisation energies (IEs) for an element. Deduce the group of the element.
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Question 3 of 4
3. Question
Which of these is a correct explanation for the decrease in first ionization energy (IE) noted between nitrogen and oxygen?
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Question 4 of 4
4. Question
Which of these is a correct explanation for the decrease in first ionization energy (IE) noted between beryllium and boron?
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