What statement is an accurate comparison of the properties of compounds and the properties of the elements that the compounds contain?

a.
they are always identical.

b.
they are different.

c.
they are similar.

d.
they represent opposite characteristics.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit