How do you calculate the number of atoms for this question?

360 g of Hg

I think it's 1.08 ×10²³

Explanation:

Hg is Mercury on the periodic table.

number of atoms = weight ÷ amu × (6.02×10²³)

weight = 360g

amu = 200.592

number of atoms = 360 ÷ 200.592 ×(6.02×10²³)

number of atoms = 0.179 × (6.02×10²³)

number of atoms = 1.08×10²³

Hope this helps.

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

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer