Question

5. Which of the following is the atomic number of an element that forms basic oxide?
a) 18
b) 17
c) 19
a) 15​

Answer 1

Answer:

19 is correct answer

hope it helps

Answer 2

Explanation:

ANSWER

The atomic number of an element which forms basic oxide is 19. The element is potassium. K

2

O is basic in nature and KOH is a strong base. Potassium is an alkali metal and all alkali metal oxides are basic in nature.