What is the percent abundance of Pt-196, if the average atomic mass of platinum is 195.16 and platinum has only four naturally occurring isotopes?
A)
8%
B)
25%
33%
D)
50%

The answer is 25%

What is the empirical formula for c4h8o2

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

What is a difference between a mixture of elements and a mixture of compounds