General Chemistry

A method of separating mixture wherein the liquids turns into a vapor.

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NGSS.MS-PS1-4

The action of purifying a liquid by a process of heating

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NGSS.MS-PS1-4

It is considered as the building block of matter.

Inside the nucleus, we can find positively charged particles known as ________.

How many protons are present in

Sulfur atom?

How many neutrons are present in Barium atom?

Vinegar which is also known as Acetic acid has a chemical formula of CH3COOH or C2H4O2. How many percent of Hydrogen is present in the compound?

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NGSS.MS-PS1-1

Atoms are the building blocks of matter

• True

• False

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NGSS.MS-PS1-1

The principle of ________________________________

wherein matter can be broken down into pieces and as

you do so, you will not be able to obtain its smallest

parts.

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

____________ and Democritus thought that all materials are

made up of tiny bits of matter which cannot be divided further.

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NGSS.MS-PS1-1