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22/11/2020 12:59 pm
Topic starter
The positions of three elements A, B and C in the periodic table are indicated below:
Group 16 - Group 17
— - (First Period)
— - A (Second Period)
— - (Third Period)
B - C (Fourth Period)
(a) State whether element C would be a metal or a non-metal. Why?
(b) Which is the more active element, A or C? Why?
(c) Which type of ion (cation or anion) will be formed by the element C? Why?
1 Answer
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22/11/2020 1:01 pm
(a) ‘C will be non-metal because it has 7 valence electrons, it can gain one electron easily.
(b) ‘A’ is more active element than ‘C’ because ‘A’ can gain electron easily.
(c) ‘C’ will gain electron to become negative ion, ie. anion because it will have electrons more than protons.