Which of the following describes a property that depends on the amount of matter in a sample?

a. intensive

b. extensive

c. physical

d. gas

The oxidation number of a monatomic ion is equal to a. the charge on the ion. b. zero. c. the sum of all the oxidation numbers. d. the oxidation number of an oxygen atom.

Earth has an __of about 30 percent, reflecting much of the sun's radiation back into space.

One of the advantages of starting a new business is

Define nuclear reaction that takes place in the sun

Which property would be characteristic of a non-metal? A. shiny B. powdery C. malleable D. conducts electricity

What is the mole fraction, x, of solute and the molality for an aqueous solution that is 16.0 % NaOH by mass

What is the square root of 54554? What is the square root of 35654?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.