How can you find the energy levels of an atom

A cubic piece of metal measures 6.00 cm on each edge. If the metal is nickel, whose density is 8.90 g/cm3, what is the mass of the cube?

A gaseous mixture made from 37.14 g N2, 34.4 g C2H2, and 38.25 g of CO is placed in a 33.53 L vessel at 27.3 °C. What is the total pressure in the vessel?

Copper and silver are examples that will form what bond

Consider the reversible reaction, A+B⇌C+D. If the concentration of reactant B is increased, the rate of the forward reaction would: increase decrease be unaffected

Why is the increasing amount of carbon dioxide being taken up by the oceans a cause for concern? a. more carbon dioxide causes an increase in carbonic acid (h2co3), which leads to a decrease in the concentration of carbonate ion (co32-) ?

g A mass spectrum. The peak at mass 100 has a 8% relative abundance. THe peak with mass 85 has a 40% abundance. The peak at 71 has a 3% abundance. The peak at 57 has a 30% abundance. The peak at mass 43 has a 100% abundance.

The following question appears on a quiz: ""You fill a tank with gas at 60°C to 100 kPa and seal it. You decrease the temperature to 10°C but keep the volume constant. What happens to the pressure

If a rocket goes from 2,000 m/s to 6,000 m/s in 8 seconds, what is the acceleration for that time frame?

At stp, what is the volume of 4.50 moles of nitrogen gas

What is the definition of radiation