What is the ph of a solution when the number of h + ions equals the number of oh - ions in the liquid?

How many electrons in an atom can share the quantum numbers n = 2, l = 1, and m subscript l = - 1?

Which of the following defines the rate at which a solute dissolves into a solvent? a. rate of dilution b. rate of dissolution c. solvent velocity d. rate of refraction

Which element has higher ionization energy? chlorine or carbon

According to le Châtelier's principle if a system in equilibrium is subjected to a change in all BUT one of these conditions, there will be a tendency for a net reaction in the direction that reduces the effect of this change.

Which of the following statements about protons are true? Protons have twice the mass of neutrons. Protons have the same magnitude of charge as electrons but are opposite in sign. Protons have a charge of 1+.

What is the molar mass of the following substance : Cs2CO3

What does the velocity of a wave describe

Sulfur (S) has 16 protons and 16 neutrons. How many electron shells does an element of sulfur have?

Which one of the following statements about orbital energies is incorrect? A) The energy of a given orbital increases as the nuclear charge Z increases. B) In many-electron atoms the energy of an orbital depends on both n and l.

When solid lead (II) sulfide ore burns in oxygen gas, the products are solid lead (II) oxide and sulfur dioxide gas.? A. write the balanced equation B. how many grams of oxygen are required to react with 29.9 grams of lead II sulfide? C.