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The Noble Gas Having Only Two Electrons in Its Valence Shell Is: (A) Ar (B) Ne (C) He (D) Kr - Science

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प्रश्न

The noble gas having only two electrons in its valence shell is:
(a) Ar
(b) Ne
(c) He
(d) Kr

उत्तर

(c) He
Atomic number of helium is 2. It contains 2 electrons in its atom.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Metals and Non-metals - Exercise 2 [पृष्ठ १७०]

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 3 Metals and Non-metals
Exercise 2 | Q 62 | पृष्ठ १७०
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