Basic / Common definition of Atmos, molecules, Compound, Mixture and Symbol
#basicdefinition #comman #chemistrynotes
#lecture #chapterone #atomicstructureclass9
#atomicstructureclass11
#atom is the smallest unit of matter that is composed of three sub-atomic particles: the proton, the neutron, and the electron. Protons and neutrons make up the nucleus of the atom, a dense and positively charged core, whereas the negatively charged electrons can be found around the nucleus in an electron cloud
#molecule is two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance. Molecules form the basis of chem...