Ch – 4 Structure Of The Atom ( Part 3 )

Q.1: ____________ are defined as the atoms of the same element, having the same atomic number, but different mass numbers. a) Isobars b) Isotopes c) Both Q.2: Each ___________ of an element is a pure substance. a) Isobar b) Isotope c) Both Q.3: An isotope of _____________ is used in the treatment of cancer. a)Continue reading “Ch – 4 Structure Of The Atom ( Part 3 )”