Group 7 Elements 0.0 / 5 ? ChemistryAcids, bases and saltsIGCSEEdexcel Created by: BeckyCreated on: 15-06-14 12:19 2763419108 Across 1. The intensity of the reaction with hydrogen gets ...... as you go down the group (5) 2. What are these elements known as? (8) 6. what colour vapour does Iodine give off? (6) 8. Which of these elements is radioactive? (8) Down 2. what type of acid is produced when of hydrogen chloride gas dissociates in water? (12) 3. The reactivity goes .... as you go down the group (4) 4. Which of the elements is a dark red liquid at room temperature? (7) 7. At room temperature what state is chlorine in? (3) 9. what colour does the colourless solution of potassium bromide and chlorine go? (6) 10. When they react with hydrogen they form hydrogen ...... (7)
Comments
No comments have yet been made