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प्रश्न
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 |
|
|
A |
|
|
E |
State which is metals, non-metals, and noble gas in this table.
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उत्तर
Metals: A and B; Non-metals: C; Noble gases: D and E
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संबंधित प्रश्न
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(a) Mg
(b) Na
(c) K
(d) Ca
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the number of valence electrons,
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| Group numbers |
IA | IIA | IIIA | IVA | VA | VIA | VIIA | O |
| 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 | |
| Li | D | O | J | Ne | ||||
| A | Mg | E | Si | H | K | |||
| B | C | F | G | L |
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(i) Which is the most electro negative ?
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(iii) Write the formula of the compound between B and H ?
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