The grid below is part of the periodic table. Use it to answer the questions that follow. (The letters are not the actual symbols of the elements).

The grid below is part of the periodic table. Use it to answer the questions that follow. (The letters are not the actual symbols of the elements).

a) Which is the most reactive non-metallic element shown
b) (i) Write the formula of the compound formed when element A
ii) Name the bond type in the compound formed in b (i) above.
c) i) What is the name given to the group of elements where C, G and H belong?
ii) Write the equation for the reaction that occurs when C in gaseous form is passed through a solution containing ions of element H.
d) The melting points of elements F and G are 1410^oC and -101^oC respectively. In terms of structure and bonding, explain why there is a large difference in the melting points of F and G.
e) D forms two oxides. Write the formula of each of the two oxides.

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a) Element C: It readily gains an electron to attain stability.

b) i) AB₂

ii) Covalent bond

c) (i) Halogens


(ii) C₂(g) + 2H^-(aq) $\rightarraw$ 2C(aq) + H₂(aq)

d) Atoms of F are bonded by strong covalent bonds forming a giant atomic structure hence high boiling
point unlike molecules of G which are held by weak Van der Waal’s forces forming simple molecular
structure.

e) D₂O and D₂O₂

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johnmulu answered the question on April 10, 2017 at 10:04

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