What are Protons? The three different sub-atomic particles present in the nuclei of an atom are called, protons, neutrons, and electrons and they were discovered in the nineteenth and twentieth…
What are Neutrons? Neutrons are referred to as subatomic particles that are one of the main constituents of atomic nuclei. Neutrons are generally denoted by the symbol n or no.…
What is Bohr Model? o The Bohr model was an improved form of earlier cubic model (1902), the plum-pudding model (1904), the Saturnian model (1904), and the Rutherford model. o…
What are Isobars? o Isobar is defined as the element which varies in their chemical property but has the same physical property. o Consequently, it can be said that isobars…
What is Cathode? o The terms Cathode and Anode were confirmed in 1834 by a scientist named William Whewell. He derived the words from the Greek word, kathodos which means…
What is Chemical Reaction? o Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Type of Chemical…
What is Molar Mass? Molecules and atoms are very minute, both in size and mass. The molar mass is defined as the weight of one sample mole. …
What is Mole Concept The mole concept is an appropriate method of expressing the amount of a substance. Any measurement can be fragmented down into two parts – the numerical…
What is Scientific Notation? Scientific notation is a more appropriate way of writing small or very huge numbers. The scientific notation helps us to signify the numbers which are very…
What is Percentage Composition? The percentage composition of any given compound is defined as the ratio of the amount of each element present in the given compound to the total…