What do the different colour heart emojis mean? Does a red , yellow , green , blue and violet emoji all mean the same thing according to you? Solitude4
1 The relative atomic mass, or atomic weight, of an element is the weighted average of the masses of the isotopes in the naturally occurring element relative to the mass of an atom of the carbon-12 isotope which is taken to be exactly 12.
relative density of a substance is defined as the ratio between the density of the substance to the density of water at 40c relative density is also known as specific gravity the relative density of a substance is a pure number without any unit it tells how many times a substance is heavier than water relative density r d of a substance can be calculated by dividing density of a substance with the density of water