11) Which group of Elements have Similar chemical Properties? * Li, Be, B
K, Ca, Rb
Ca, Sr, Ba

Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m

What is the maximum number of electrons that an atomic orbital can contain?

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.