Group 17: F CI Br I At, Which has the highest ionization energy?, Which has the biggest atomic radius?, Which is the most electronegative?, Which is the most metallic?, Which is the most nonmetallic?, Which has the highest electron affinity?



Group 17: F CI Br I At


Which has the highest ionization energy?

Which has the biggest atomic radius?

Which is the most electronegative?

Which is the most metallic?

Which is the most nonmetallic?

Which has the highest electron affinity?​

Answer:

1. helium

2. francium

3. fluorine

4. fluorine

5. chlorine


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