Visible green light has a wavelength around 510 nm. What is its frequency?

Provide the atomic mass an ion contains 16 protons, 17 neutrons and 18 electrons

Which energy changes are associated with a liquid freezing?

What is the name of a compound that has the formula C6H6

Magnetite, Fe3O4, is a ferrimagnetic, rather than a ferromagnetic material that contains different iron isotopes. How is it different from ferromagnetic minerals? A) It has opposing magnetic moments. B) It can be spontaneously magnetized.

What type of air pollutant is produced in smoke from a fire? a. Chemical pollutant b. Cumulative pollutant c. Primary pollutant d. Secondary pollutant

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.

How many moles of oxygen react with 0.23 moles of NH3

How many moles of carbon do you have in 100 quadrillion carbon atoms? report answer to 2 sig figs