An element has an electronic configuration 2- 8- 7- It belongs to the - 17th group amp- 2nd period-7th group amp- 3rd period-3rd group amp- 7th period-17th group amp- 3rd period-

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Periods

An element ha...

Question

An element has an electronic configuration 2, 8, 7. It belongs to the _________________.

3rd group & 7th period

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17th group & 2nd period

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7th group & 3rd period

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17th group & 3rd period

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Solution

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Similar questions

X

3^{r d}

17^{t h}

X

3^{r d}

17^{t h}

An element $X$ belongs to $3^{r d}$ period and $17^{t h}$ group, state

(iii) name the family to which it belongs.

3^{r d}

17^{t h}

X, Y

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