Answer: Kinetic energy of an object is the measure of the work an object can do by the virtue of its motion. Kinetic energy is a scalar quantity.... View Article
Answer: Kinetic energy of an object is the measure of the work an object can do by the virtue of its motion. Kinetic energy is a scalar quantity.... View Article
Answer: Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same. Compounds – Compounds are... View Article
Answer: Add a cup of milk, which serves as the solvent, to the vessel and heat it. To make a solute, add tea powder or tea leaves to boiling... View Article
Answer: All on this planet is a type of matter, which is described as any substance that occupies space and has mass. The matter is further... View Article
Answer: Crystallization is a method for separating solids from a liquid solution. It is related to precipitation, but in this method, the... View Article
Answer: The majority of the time, the compounds we encounter are not in their purest form. They are, in fact, a combination of two or more... View Article
Answer: (c) Different number of neutrons It is also defined as variants of a particular element where these variants will have the same number of... View Article
Answer: (a) Atomic nucleus According to the Rutherford atomic model: The positively charged particles and most of the mass of an atom was... View Article
Answer: The atomic mass of an element is the mass of one atom of that element. Average atomic mass takes into account the isotopic abundance.... View Article
Answer: An isotope is any form of a chemical element that has the same number of protons in the nucleus, or the same atomic number, but has a... View Article
Answer: The total number of protons in the nucleus of an atom gives us the atomic number of that atom. All the atoms of a particular element... View Article
Answer: Atoms with the same number of protons but different numbers of neutrons are called isotopes. This, in turn, causes variations in mass... View Article
Answer: A subatomic particle is a particle with a size smaller than that of an atom. Protons, electrons, and neutrons are the three subatomic... View Article
Answer: The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the modification of Rutherford’s model of an... View Article
Answer: Canal rays are positively charged radiations consisting of particles which have a charge equal in magnitude but opposite in sign to that... View Article
Answer: In a substance, the amount of entities present for e.g. atoms, molecules, ions, is defined as a mole.A mole of any substance is... View Article
Answer: The chemical formula of a compound is a symbolic representation of its chemical composition. Chemical formulae provide insight into the... View Article
Answer: An atom cannot be visible to the naked eyes because, Atoms are miniscule in nature, measured in nanometres Except for atoms of noble... View Article
