Electrons can absorb photons and gain energy, and they can emit photons and lose energy.
increase
decrease
An increase in energy corresponds to an increase in frequency or a decrease in wavelength.
By the weight and mass of the energy
if the body is moving upward its potential energy would decrease as its kinetic energy would increase
You can increase or decrease the kinetic energy of electrons by accelerating or decelerating them, which you can do with an electric field or by collisions. You can increase or decrease the electrical potential energy of electrons by causing them to move to positions with lower or higher voltage. To a very small extent you can increase or decrease the gravitational potential energy of electrons by causing them to move up or down in a gravitational field.
No. The energy you might be referring to is kinetic energy which is the energy possessed by individual water molecules. An increase in kinetic energy will be percieved as and increase in temperature. Similarly a decrease in kinetic energy will be percieved as a decrease in temperature.
The energy of electrons is expressed in eV (electron volts).
All electrons within the same energy level have the same energy.
increase
The level of energy possessed by all electrons in one type of orbital
decrease
The level of energy possessed by all electrons in one type of orbital
An increase in energy corresponds to an increase in frequency or a decrease in wavelength.
The catalyst decrease the needed activation energy.
Catalysts decrease activation energy.
decrease