Which of the following elements will form an acidic oxide?
(a) An element with atomic number 7
(b) An element with atomic number 3
(c) An element with atomic number 12
(d) An element with atomic number 19

NCERT Class X
Science - Exemplar Problems

Chapter_Periodic Classification of Elements

1

Answers

2015-05-29T16:07:18+05:30