wzorowane1 pktotwarteśrednie (szac.)
Outline why solid tin(IV) iodide is classified as a polar covalent compound. Use sections 9 and 17 of the data booklet.
Position in the bonding triangle
Locate a binary compound on the van Arkel-Ketelaar bonding triangle from the average electronegativity and the electronegativity difference of its elements, and predict its bonding type and properties from that position.
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wzorowane1 pktotwartełatwe (szac.)
Contrast tin and tin(IV) iodide in terms of one physical property.
wzorowane9 pktobliczenioweśrednie (szac.)
4.81 g of sulfur was heated in a stream of chlorine gas until the reaction was complete. The mass of the chloride produced was 10.13 g. (i) Calculate how many atoms are present in this 4.81 g sample of sulfur. Use sections 2 and 7 of the data booklet. (ii)…
wzorowane9 pktobliczeniowetrudne (szac.)
(i) Using sections 9 and 17 of the data booklet, and showing your working, deduce the type of bonding present in magnesium chloride, , and its percentage covalent character. (ii) Assuming purely ionic bonding, and using sections 9 and 12 of the…
wzorowane9 pktotwartetrudne (szac.)
A computer simulation models what happens when small pieces of lithium and of sodium are dropped into water. For each metal five pieces of increasing mass are used, the same set of masses for both metals, and the simulation records how long each piece takes to…