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Question
Name and state the following with reference to the elements of the first three periods of the periodic table.
Non-metallic elements present in Period 3 of Groups 15 and 16.
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Solution
Non-metallic elements present in Period 3 of Groups 15 and 16 - Phosphorus and sulphur
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|
Group 1 |
Group 2 |
Group 17 |
Group 18 |
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D |
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B |
C |
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A |
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E |
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