हिंदी

The Element Which Forms a Basis Oxide Has the Atomic Number Of: (A) 18 (B) 17 (C) 14 (D) 19

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प्रश्न

The element which forms a basis oxide has the atomic number of:

(a) 18
(b) 17
(c) 14
(d) 19

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उत्तर

(d) 19.
Potassium (K) forms a basic oxide and has an atomic number of 19. The atomic numbers of 18,17 and 14 correspond to acidic oxides.

 
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