MCQ Questions for Class 10 Science Chapter 5 Periodic Classification of Elements
MCQ Questions for Class 10 Science Chapter 5 Periodic Classification of Elements Q.1. An element has an atomic number of 15 with which of the following elements will it show similar chemical properties?(a) Be(4) (b) Ne(10)(c) N(7) (d) O(8) Answer Answer: (c) Q.2. The group number and period number respectively of an element with atomic … Read more
