How many atoms are there in 2.50 mol of uranium?

Number of atoms =

Explanation:

In each mole of any substance there are Avagadro's number of molecule or atom.

Avagadro's number =

The number of moles of uranium given = 2.5 mol

The number of atoms in 2.5 moles of uranium will be

Number of atoms =

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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