How is the bond in F2 different from the bond in KCI ?

What is the percent by mass of oxygen in fe2o3

The number at the end of an isotope’s name is the number.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line