How many possible combinations are there for the values of l and ml when n = 2?

Part A How many possible combinations are there for the values of l and ml when n = 2? Express your answer as an integer. ? = possible combinations

Answer

when n = 2 ll will have n-1 values = 2-1 = 1 so 0,1 two values are possible if l = 0 ml = 0 if m = 1 ml will be -1, 0, -1 so possible values are 2, 0, 0 2, 1 , -1 2, 1, 0 1, 1 , -1

all these are possible

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