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प्रश्न
An element has 2 electrons in its N shell.
State its position in periodic table.
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उत्तर
Electronic configuration of the element is:
| K | L | M | N |
| 2 | 8 | 8 | 2 |
∴ Position in the periodic table is the 4th period. (Four shells).
संबंधित प्रश्न
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
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(a) all metals
(b) all non-metals
(c) all metalloids
(d) Si is metalloid, B is metal and Ge is non-metal
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State the term
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Name the following:
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Find the odd one out and give its explanation.
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- Y has 12 protons and 10 electrons
State the group and period, of the element having three shells with three electrons in valence shell.
