What is the shape of a molecule that has 3 atoms bonded to a central atom and no lone pairs of electrons? A. Trigonal-planar
B. Linear
C. Trigonal-pyramidal
D. Tetrahedral

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?