Subject: Science

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Introduction to Matter and Elements

Matter is anything that has mass and volume. Matter exists in three states. They are solid, liquid and gas. This note provides information about matter, elements and symbols. Learn More

Composition of Matter and Change in Matter

A compound is a substance formed when two or more atoms of different elements combine together in a fixed proportion by weight. An atom can be defined as the smallest particles of an element which can take part in a chemical reaction. This note provides information about compound, atom, molecule, molecular formula and change in matter. Learn More

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