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Write the symbol of the ions of the compound. Cation (positive ion) is written on the left hand side and the anion (negative ion) is written on the right hand side. Put the valency number of the radical or ion below the symbol of the element. Alternatively cross the positive and negative..

The first 2 electrons will go to the 1 st shell = K Shell (2n 2 ) The next shell L takes a maximum of 8 electrons (2n 2 ) In this way 2 + 8 = 10 electrons have been accommodated. The next 2 electrons go to the M Sh..

Justify step 2 in the following indirect proof. Given: The sum of the measures of the interior angles of a polygon is 900. Proof: The polygon is not a hexagon. Step 1: Assume the polygon is a hexagon. Step 2: Then the sum of measures of it..

We have to choose two positive numbers. Let the two positive numbers be x and y. This x and y are decision variable..

ax 2 + 2hxy + by 2 + 2gx + 2fy + c =..

Write oxidation number of each atom and split the equation into two half equations: In this reaction, zinc undergoes oxidation and NO 3 - undergoes reduction..

Identify all rows of the table where the output is 1. Note that 1 s t , 2 n d , 3 r d and the last row has output 1..

Multiplying by 4 times the coefficient of x 2 on both sides i.e., 4..

The first term in (1 + x) n is always 1..

If log (sin C) comes out as positive, sin C would have to be greater than 1 and there is no solutio..