Identify whether each chemical will dissolve in water or not. (That is, determine whether they are soluble or insoluble.) NaBr: (soluble / insoluble)
LiOH: (soluble / insoluble)
Al2S3: (soluble / insoluble)
BaOH: (soluble / insoluble)
H2SO4: (soluble / insoluble)
MgCl2: (soluble / insoluble)

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Calculate the number of moles of ethane in 100 grams

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?