Answer
(a) $ns^2np^5$: Halogens (Group 7A)
(b) $ns^1$: Alkali metals (Group 1A)
(c) $ns^2(n-1)d^{1-10}$: Transition metals (d-block)
(d) $ns^2np^1$: Group 13 elements
Work Step by Step
See answer above.
Chemistry 10th Edition
by Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1133610668
ISBN 13:
978-1-13361-066-3
Chapter 5 - Chemical Periodicity - Exercises - Classificatino of the Elements - Page 202: 6
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