What does it mean when an ion from a salt forms a
hydration sphere?

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Gymnast always perform on padded mats. how does the mats protect the gymnast

What happens to the atomic radius when an elctron is lost