Jawapan

2016-07-09T21:18:46+08:00
2016-07-10T11:14:52+08:00
In calculating the relative atomic mass of an element with isotopes, the relative mass and proportion of each is taken into account. For example, naturally occurring chlorine consists of atoms ofrelative isotopic masses 35 (75%) and 37 (25%). Itsrelative atomic mass is 35.5.