Group 7 (17), the Halogens (AQA A-Level Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is electronegativity?
What is electronegativity?
Ability to attract bonding electron pair
What happens to electronegativity down Group 7?
What happens to electronegativity down Group 7?
It decreases
Why does electronegativity decrease down Group 7?
Why does electronegativity decrease down Group 7?
More shells, greater shielding
Which halogen has the highest electronegativity?
Which halogen has the highest electronegativity?
Fluorine
What happens to boiling points down Group 7?
What happens to boiling points down Group 7?
They increase
Why do boiling points increase down Group 7?
Why do boiling points increase down Group 7?
Larger molecules, stronger van der Waals
Which halogen is the strongest oxidising agent?
Which halogen is the strongest oxidising agent?
Fluorine
Why does oxidising ability decrease down Group 7?
Why does oxidising ability decrease down Group 7?
Harder to gain electrons, more shielding
Which halide ion is the strongest reducing agent?
Which halide ion is the strongest reducing agent?
(Iodide)
Why does reducing power of halide ions increase down Group 7?
Why does reducing power of halide ions increase down Group 7?
Easier to lose electrons, more shielding