True or False

When the temperature increases the density decreases.
(science)

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

Which of the following is a physical property flammability heat of combustion solubility and toxicity