What technique would most likely be used to separate a solution with many components?

Rubidium is comprised of two isotopes, one of which has a natural abundance of 72% and contains 48 neutrons in the nucleus. given that the calculated atomic mass for rubidium is 85.

Why do we call meteors shooting stars?

For the reaction 2H2O > 2H2 + O2 what is the total number of moles of O2 produced from the complete decomposition of 8 moles H2O. b - 3 moles c - 4 moles d - 8moles

How are physical and chemical changes similar? A. Neither can change the number of atoms of each element that are present B. Neither can cause chemical bonds to break C. Neither can result in a phase change D.

Which type of reaction is represented by the generic equation AB + CD - > AD + CB? O combustion decomposition single replacement double replacement

Which type of bond would most likely be found in HBr

Which halogen is most likely to react? a. Br (bromine) b. F (fluorine) c. I (iodine) d. Cl (chlorine)

In the formula for water (H2O) what does the subscript 2 indicate?

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers. The superscript of nickel is . The subscript of copper is .

What is the velocity of a BB pellet that is 0.02kg and has 36 J of KE