Question

What atom ? How many types of this atom ?

Answer 1

Answer:

An atom is the smallest constituent unit of ordinary matter that constitutes 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.

There are more than 109 different types of atom - one for each element. Differences between the atoms give the elements their different chemical properties. In 2001, there were 115 known elements. However, those above 109 are highly unstable and have been made in only tiny quantities.

Answer 2

Answer:

Explanation:

An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element.Atoms are extremely small, typically around 100 picometers across.

Atoms are generally of three types :

1)Protons (which are positively charged)

2)Neutrons (which have no charge)

3)Electron (which are negatively charged)

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