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- 1. Multiple ChoiceHalogens are relatively ____ melting and boiling points that increase steadily down the group.lowhigh
- 2. Multiple ChoiceHalogens becomes ______ in colour when down to group.darkensbrighter
- 3. Multiple ChoiceWhat is the colour of Fluorine, F2?pale yellowpale greendark purplebrown
- 4. Multiple ChoiceWhat is the colour of Chlorine, Cl2?pale greenpale yellowdark purplebrown
- 5. Multiple ChoiceWhat is the colour of Bromine, Br2?brownpale greenpale yellowdark purple
- 6. Multiple ChoiceWhat is the colour of Iodine, I2?dark purplepale greenpale yellowbrown
- 7. Multiple ChoiceWhat is the forces in halogens in terms of intermolecular forces?van der Waalsionic bondcovalent bondmetallic bond
- 8. Multiple ChoiceWhy do the 1st ionization energy of halogens decrease down the group?the number of electrons increasesatomic radius decreasesincreases the attraction between nucleus and the valence electronsthe strength of shielding decreasesit is harder for valence shell electrons to ionize
- 9. Multiple ChoiceWhy do the 1st ionization energy of halogens decrease down the group?atomic radius increasesthe number of electrons decreasesincreases the attraction between nucleus and the valence electronsthe strength of shielding decreasesit is harder for valence shell electrons to ionize
- 10. Multiple ChoiceWhy do the 1st ionization energy of halogens decrease down the group?decreases the attraction between nucleus and the valence electronsatomic radius decreasesthe number of electrons decreasesthe strength of shielding decreasesit is harder for valence shell electrons to ionize
- 11. Multiple ChoiceWhy do the 1st ionization energy of halogens decrease down the group?the strength of shielding increasesatomic radius decreasesincreases the attraction between nucleus and the valence electronsthe number of electrons decreasesit is harder for valence shell electrons to ionize
- 12. Multiple ChoiceWhy do the 1st ionization energy of halogens decrease down the group?it is easier for valence shell electrons to ionizeatomic radius decreasesincreases the attraction between nucleus and the valence electronsthe strength of shielding decreasesthe number of electrons decreases
- 13. Multiple ChoiceWhich halogen has the highest melting point?AtFClBrI
- 14. Multiple ChoiceWhat happen when going down group 17?the atomic radius increasesthe volatility increasesthe electron affinity increases
- 15. Multiple ChoiceWhat happen when going down group 17?the volatility decreasesthe electronegativity increasesthe bond energy increases
- 16. Multiple ChoiceWhat happen when going down group 17?the electron affinity decreasesthe oxidising power increasesthe reactivity towards hydrogen increases
- 17. Multiple ChoiceWhat happen when going down group 17?the electronegativity decreasesthe oxidising power increasesthe reactivity towards hydrogen increases
- 18. Multiple ChoiceWhat happen when going down group 17?the bond energy decreasesthe atomic radius decreasesthe volatility increases
- 19. Multiple ChoiceWhat happen when going down group 17?the oxidising power decreasesthe electron affinity increasesthe electronegativity increases
- 20. Multiple ChoiceWhat happen when going down group 17?the reactivity towards hydrogen decreases.the bond energy increasesthe oxidising power increases
- 21. Multiple ChoiceThe atomic radius increases when down a group, the number of energy levels (n) _______, so there is a _______ distance between the nucleus and the outermost orbital.increases, greaterdecreases, smallerincreases, smallerdecreases, greater
- 22. Multiple ChoiceDown group 17, the volatility _______ .decreasesincreases
- 23. Multiple ChoiceWhich of the volatility of the elements when down group 17 is correct?F2 > Cl2 > Br2 > I2I2 > Br2 > Cl2 > F2F2 < Cl2 < Br2 < I2Cl2 < F2 < Br2 < I2
- 24. Multiple ChoiceThe volatility of the Group 17 elements, chlorine, bromine and iodine, decreases down the group. What is responsible for this?Number of electrons in the halogen moleculeBond length in the halogen moleculeBond strength in the halogen moleculeElectronegativity of the halogen
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