A molecule is composed of atoms. Molecules compose matter. Matter is anything that occupies space and has mass. It is present anywhere. It can be a solid, a liquid, a gas, or plasma. Do you wonder what are the types of matter?
Matter has two types, elements and compounds. An element is a pure substance which cannot be broken. A compound is a substance formed by two or more elements.
Hundreds of elements and compounds are present in our body and in our society. Below are some of those:
Elements and compounds found in our body
- water (H²O) composes 90% of our body
- calcium helps strengthen our bones
- iron is the main component of blood
Elements and compounds useful in our society
- oxygen (O) is the component of the airthat we breathe
- hydrogen (H) is about 90% composed of the whole air
- helium (He) is used for nuclear fusions and balloons
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