3. How many moles in 28 grams of CO2?

Which statement best describes how electrons fill orbitals in the periodic table? Electrons fill orbitals in order of their increasing energy from left to right. Electrons fill orbitals in order of their increasing energy from right to left.

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A. In acids, [OH-] is greater than [H3O+]. B. In bases, [OH-] = [H3O+]. C. In bases, [OH-] is greater than [H3O+]. D.

A substance made of metal atoms only?

Is 4Na a molecule or an atom

Which change will always result in an increase in the avitational force between two objects? increasing the masses of the objects and increasing the distance between the objects decreasing the masses of the objects and decreasing the distance

Which group contains elements composed of diatomic molecules at stp

Some types of bases are used to make soap. true or false

What happens when a solid compound dissolves in water?

What conditions might occur that would cause a gas not to conform to ideal gas behavior?

Which element above has 8 protons in its nucleus? a. oxygen b. carbon c. phosphorus d. sulfur