Is there a difference between molecules, formula units, and atoms?

Is there a difference between molecules, formula units, and atoms?
Aren't they all particles? What is the difference? I don't get how you can tell.
How do you differentiate?

What are the 3 different types of molar mass?

All chemistry!

4 answers

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ANSWER #1 of 4

Molecules are particles made up of atoms.

Formula units (like moles) are just words you use to count small particles more effectively.

As an example, a "pair" is a unit comprising 2 items.

A mole is a unit that comprises of 6*10^23 items

There's only one kinda molar mass...it refers to the mass of one mole of stuff (any stuff)

Hope I helped


ANSWER #2 of 4

I agree with leevan molecules are particles made up of atoms. Atoms are also invisible particles made up of protons, neutrons and electrons

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ANSWER #3 of 4

AGH! can't help you here hon! after gr.10 science, I only took bio in gr.11... and I suck a55 in it!! - because my class got a foreign exchange teacher from australia... and she did not know how to teach! - I bombed the course! :P now in gr.12, the only science I'm taking is exercise science! sorry!

try google or sparknotes!

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ANSWER #4 of 4

while looking through element
we divide it descendingly by
saying first comes the compound then molecule and then the atom...



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