ELEMENTS Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons they possess. These are the… Read More »MIXTURES AND SEPERATION TECHNIQUES
Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons they possess. These are the first… Read More »ELEMENTS
ELEMENTS AND SYMBOLS An element is a substance which cannot be split into simpler units by ordinary chemical process. There are over one hundred known elements. SYMBOLS OF ELEMENTS… Read More »ELEMENTS, SYMBOLS & VALENCY