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Hence boron trihalides act as Lewis acids. They rapidly combine with electron donors such as NH 3 , F - ion, amines, ether, sulphides or phosphorus. The other halides of Group 13 elements have halogen bridged dimeric structures as shown below for aluminium (III) chloride, which exists as Al 2 Cl 6 ..

Graphical Representation..

Energy Level Diagram for Molecular Orbitals - The relative energies of molecular orbitals depend upon the following two factors: (i) the energies of the atomic orbitals combining to form molecular orbitals. (ii) the extent of overlapping between the atomic orbitals. The greater the overla..

Find the LCM of 8 and 10 using a Venn diagram. => 40 or 8 or 80 or 10..

Representation of a Relation - (i) Roster form(i) Roster form (ii) Set builder form (iii) By tables (iv) Arrow diagram (v) By graphs (i) Roster form: The ordered pairs are listed, R = {(2, 1), (4, 2), (6, 3), (8, 4), (10, 5)} Where A = {1, 2, 3, 4, 5} and R means 'is twice' in A..

From the tree diagram shown, find the number of possible outcomes for spinning the two spinners. => 2 or 6 or 4 or 8..

Use the diagram to answer the question. How many children like candies and ice creams? => 6 or 8 or 2 or 4..

Use the diagram to answer the question. How many children like candies? => 4 or 2 or 8 or 6..

Use the diagram to answer the question. How many children like only candies? => 8 or 6 or 4 or 2..

Draw the mapping diagram for the relation and determine whether it is a function or not. {(2, 4), (- 8, 0), (1, 5), (3, 1)} => Figure 2, Relation is not a function or Figure 4, Relation is not a function or Figure 1, Relation is a function or Figure 3, Relation is a function..