Explain the periodic trends, including atomic and ionic radii, electronegativity, and ionization energy using (1) the size of the level in which the outermost electrons are found, (2) effective nuclear charge, and (3) shielding.

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

Which of two curves exhibits exponential growth

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.