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Periodic Table of Elements - 2 (Class IX)
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Match the following:
| Column I | Column II |
| (a) I period | (i) Short |
| (b) III period | (ii) Long |
| (c) V period | (iii) Very long |
| (d) VI period | (iv) Incomplete |
| (v) Very short |
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A
(a) – (v), (b) – (i), (c) – (ii), (d) – (iii)
💡 Explanation:
Option 4 is correct.
Period (I) is the shortest period; it contains only two elements.
Period (III) is short; it contains 8 elements.
Period (V) is long period; it contains 18 elements.
Period (VI) is the longest period; it contains 32 elements.