Question

Question 1: You need a material that will easily remove electrons from a reaction, which of the following would you chose? (2 marks) a) A base with a metal in it. b) An acid with an extremely low electronegativity. c) An acid with a high electron affinity. d) A Base with a high ionisation energy. e) None of the above will work to easily remove an electron. Question 2: Which of the following statements concerning elements on the periodic table is correct? (2 marks) a) Oxides in group 16 and 17 are basic. b) Group 13 elements are all metals. c) Elements in group 16 occur as cations in ionic compounds. d) Elements in the same group always have the same number of neutrons. e) None of the above statements are correct. Question 3: Which of the following is named correctly: (2 marks) a) \( \left(\mathrm{NH}_{4}\right)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) - Ammonium dichromate b) \( \mathrm{BrO}_{4}^{-} \quad \) - Perbromate c) \( \mathrm{V}_{2} \mathrm{O}_{3} \quad \) - Vanadium trioxide d) \( \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3} \quad-\operatorname{Iron}(\mathrm{III}) \) sulfite e) All of the options are correct.

          Question 1:
You need a material that will easily remove electrons from a reaction, which of the following would you chose?
(2 marks)
a) A base with a metal in it.
b) An acid with an extremely low electronegativity.
c) An acid with a high electron affinity.
d) A Base with a high ionisation energy.
e) None of the above will work to easily remove an electron.

Question 2:
Which of the following statements concerning elements on the periodic table is correct?
(2 marks)
a) Oxides in group 16 and 17 are basic.
b) Group 13 elements are all metals.
c) Elements in group 16 occur as cations in ionic compounds.
d) Elements in the same group always have the same number of neutrons.
e) None of the above statements are correct.

Question 3:
Which of the following is named correctly:
(2 marks)
a) \( \left(\mathrm{NH}_{4}\right)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) - Ammonium dichromate
b) \( \mathrm{BrO}_{4}^{-} \quad \) - Perbromate
c) \( \mathrm{V}_{2} \mathrm{O}_{3} \quad \) - Vanadium trioxide
d) \( \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3} \quad-\operatorname{Iron}(\mathrm{III}) \) sulfite
e) All of the options are correct.

Question 1:
You need a material that will easily remove electrons from a reaction, which of the following would you chose?
(2 marks)
a) A base with a metal in it.
b) An acid with an extremely low electronegativity.
c) An acid with a high electron affinity.
d) A Base with a high ionisation energy.
e) None of the above will work to easily remove an electron.

Question 2:
Which of the following statements concerning elements on the periodic table is correct?
(2 marks)
a) Oxides in group 16 and 17 are basic.
b) Group 13 elements are all metals.
c) Elements in group 16 occur as cations in ionic compounds.
d) Elements in the same group always have the same number of neutrons.
e) None of the above statements are correct.

Question 3:
Which of the following is named correctly:
(2 marks)
a) (NH4)2Cr2O7 - Ammonium dichromate
b) BrO4^- - Perbromate
c) V2O3 - Vanadium trioxide
d) Fe2(SO4)3 -Iron(III) sulfite
e) All of the options are correct.

Added by Timothy L.

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