Class 9 Chemistry Fundamentals of Chemistry Important Q/A for Exams: Chemistry branch of science which deals with Composition of matter Properties of matter Changes in matters Different laws and principles which deals […]
Calculating Energy of an Orbit
What is the nuclear charge in the periodic table? The nuclear charge (Z) is defined as the total charge in the nucleus due to the presence of positive charge protons. As we […]
Class 11 Chemistry Chemical Bonding Important MCQs with Brief Answers for Exams: 1.Atoms form chemical bond to become: 1.Reactive 2.Conductive 3.Soluble 4.Stable Answer ) Stable Brief Explanation : Atoms form chemical bond […]
Mole is a counting device or a number like: 12 things = Dozen 144 things = Gross 2 things = Pair 1000 g = 1k g similarly: 6.022 x 1023 particles =1 […]
Chapter-Wise multiple Choose Question with brief answers for Class 11 Chemistry: Chapter 1: Basic Concepts of Chemistry Important MCQs Chapter 2 :Structure of Atom Important MCQs (Part 1) Chapter 2 :Structure of […]
Class 11 Chemistry Chapter 2 Structure of Atom Important MCQ’s for Exams: At infinity the energy difference between two Adjacent orbits becomes almost: 1.Increased 2.Decreased 3.Infinite 4. Zero Answer ) Zero Brief […]
What is the nuclear charge in the periodic table? The nuclear charge (Z) is defined as “the total charge in the nucleus due to the presence of positive charge protons”. As we […]
Substances: A sample of pure matter is called a substance or anything whose composition is uniform throughout and has well-defined physical and chemical properties is called a substance. E.g. Silver, Gold, Water, […]
