What are atoms? a. tiny particles that make up all matter
b. tiny particles that can only be seen with a microscope
c. tiny particles that look like gnats
d. particles that are so large they cannot be seen

Answer is in the file below

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Answer is A. tiny particles that make up all matter

Explanation:

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what are the óptions. pléase list them

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.