What is not true about an ionic compound?
a. it is a salt
b. it is held together by ionic bonds
c. it is comprised of anions and cations
d. it does not exist as a molecule
e. none of the above

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

The element that has the greatest electronegativity is

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.