What is the smallest particle of a substance that has all the properties of the substance?

What are the positively charged particles in the nucleus of an atom?

Protons and neutrons are packed in the -

The part of an atom that has no charge.

The negatively charged particles are the-

A pure substance made of only one kind of atom.

The first 1 or 2 letters of an element's name.

The symbol for carbon.

Atoms join together to form -

What is the lightest element?

A substance whose molecules contain atoms of different elements.

Properties and traits mean the same as -

The number of protons in an element is known as its

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