please answer this question

Asked by  | 11th Oct, 2008, 06:51: PM

Expert Answer:

The electronic configuration of H = 1s1

                                  Block = s

                                  Period = 1

                                  Group = 1

The electronic configuration of He = 1s2

                                  Block = s

                                  Period = 1

                                  Group = 2

Answered by  | 12th Oct, 2008, 10:02: AM

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