Calculate the radius of a nickel atom in cm, given that Ni has an FCC crystal structure, a density of 8.90 g/cm3, and an atomic weight of 58.69 g/mol.

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Why are people not able to scuba dive in the deep part of the ocean

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?