1.

In thediagramsdrawninFig.11.30.CalculatetheanglesmarkedwithsmalllettersEXERCISСSRbaXº120°18°BRectangleRectangle(ii)​

Answer»

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, GAS, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, TYPICALLY around 100 PICOMETERS across



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