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Question
Name the noble gas with 3 shells.
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Solution
Argon
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RELATED QUESTIONS
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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A
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
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| Atomic number | 2 | 10 | 5 |
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| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
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