1.Put in the garbage put blank in the garbage bins or trash cans for the different kinds of waste in school and make sure that the right bins are used properly.
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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.

thats how its supposed to be

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).