What is the energy of one photon of light with a wavelength of 445 nm?

What is the temperature in kelvin of the Xe in the balloon?

10. What scientist was responsible for the discovery of the negatively charged subatomic particle, the experiment he used and what did he name it

An electrically neutral atom has the following electron configuration 1s22s22p63s2. what is the name of this atom? a. oxygen b. magnesium c. sodium d. aluminum

Air pressure is lower at high altitudes. An airplane cabin can adjust, but as the plane rises, passengers can experience temporary pain in their ears. Check all facts below that explain why. The air pressure in the ears increases.

What is the result of boiling the impure product with too much solvent and then cooling on ice?

What is a fan-shaped feature at the mouth of a river

How many moles of mgbr2 are there in 118.0 g of that compound?

What is 99 times 100

Using complete sentences, explain how large-scale agriculture leads to increased atmospheric CO2?

What is the trend in effective nuclear charge for elements on the periodic table? It decreases across a period but is constant down a group. It increases across a period but is constant down a group.