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Question
The position of elements A, B, C, D and E in the periodic table are shown below:
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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 |
Which is larger in size (i) D or E (ii) B or C
Solution
E
B
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| Period No. | ||
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The position of elements A, B, C, D and E in the periodic table are shown below:
|
Group 1 |
Group 2 |
Group 17 |
Group 18 |
|
|
|
|
D |
|
|
B |
C |
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|
A |
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E |
State which is metals, non-metals, and noble gas in this table.
Moving left to right in the second period, the number of valence electrons _____.
Match the option A and B with the statements (i) and (ii):
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| B. iron | (ii) An element with electronic configuration 2, 8, 8, 3. |
