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प्रश्न
Cl : halogen group : : Ar : _______
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उत्तर
Cl : halogen group : : Ar : zero group
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संबंधित प्रश्न
What is the common name of this group or family?
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Write the name and symbol of the element from the description.
The most electronegative atom.
Write the name and symbol of the element from the description.
The most reactive nonmetal.
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What are those similar properties?
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This question refers to the elements of the periodic table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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