How many valence electrons are found in the outermost energy level of fluorine (F) ?

A) 2

B) 7

C) 9

D) 19

What are families of elements with similar chemical properties called?

What statement correctly defines dynamic equilibrium

An element's atomic number is 60. How many electrons would an atom of this element have?

How can a solvent be separated from a solute by distillation?

A chemical reaction which uses a molecule of water to break apart another molecule is most commonly called

Is burning wood a physical change

A gas is located inside a closed container. if the gas is allowed to occupy more volume inside the container, what will happen to the pressure? (note: there is no gas added to the container.)

An open-end manometer containing mercury was connected to a vessel holding a gas at a pressure of 767 torr. The atmospheric pressure was 724 torr. What is the difference in the heights of the mercury, expressed in cm?

When does raising the temperature of a gas increase its pressure? A. temperature B. volume C. number of particles D. pressure

Hexyne. What does the name of this hydrocarbon tell you about its molecular structure?