How many sulfur atoms are there in 3.50 mol of sulfur?

 atoms  in 3.50 mol of sulfur.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number of particles.

1 mole of sulfur contains=  atoms  

Thus 3.50 moles of sulfur contains=  atoms  

Thus there are  atoms  in 3.50 mol of sulfur.

a) the particles of the chair are strongly held together.

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