The Elements Chemical Arithmetic: A Short System of Elementary Qualitative Analysis (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from The Elements Chemical Arithmetic: A Short System of Elementary Qualitative Analysis

A mass of matter is any portion of matter appreciable by the senses.

A molecule 18 the smallest particle of matter into which a body can be divided without losing its identity or it is the smallest portion of matter which can exist by itself.

An atom is a still smaller particle produced by the division of a molecule; or it is the smallest portion of matter that can go into combination.

Examples. The sun and a grain of sand are masses of matter. The smallest particle of salt which can exist and which exhibits the properties of salt is a molecule. The minute particles of chlorine and sodium which com pose the molecule Oi salt are atoms.

A mass is made up of molecules, and a molecule is com posed of atoms.

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