What value is the closest to the atomic mass of cerium?

Isotope Percent Abundance

136Ce 0.185%

138Ce 0.251%

140Ce 88.450%

142Ce 11.114%

What does br mean on the periodic table?

How many more atomic orbitals does a d sublevel hold than a p sublevel

What do Ionic compounds tend to be

11. If you have three moles of S., how many moles of Als, can be produced?

staci is attending a music festival. the ticket to the festival costs $87.96, Staci pleans to purchase $30.00 t-shirts from the event to close friends. she is taking $200.00 to the festival. what is the maximum number of t-shirts staci can purchase?

Enter a balanced chemical equation for the combustion of gaseous methanol.

Being able to identify good source of scientific information and apply the knowledge to problems in your life is a part of having A Scientific hypothesis B Scientific inquiry C Scientific literacy D Scientific laws

Hexane and heptane are miscible with each other in all proportions. In making a solution of them, is the entropy of the system increased, decreased, or close to zero, compared to the separate pure liquids? a. The entropy of the system is increased.

Determine the hydronium ion concentration in a solution that is 0.00014 M HCl. Answer in units of M.

Which element in period 2 has the most mass