Question

la Gdium
Which of the following elements will form a basic oxide?
An element with atomic no.
(6) 17
(c) 14
(a) 7
(d) 11​

Answer 1

Answer:

Element with atomic number 11 , i.e. Sodium

Explanation:

Metals form basic oxides. Element with atomic no. 17 is Chlorine, 14 is Silicon, and 7 is Nitrogen. All are non-metals which form basic, neutral or amphoteric oxides. Only element with atomic no., 11 which is sodium, will form a basic oxide.