As a mercury atom absorbs a photon of

energy, an electron in the atom changes from

energy level d to energy level e.

Determine the energy of the absorbed photon in

electronvolts.

A material that resists the flow of electrons is called a (an) A conductor. B circuit. C insulator. d resistor

How many cubic centimeters of area does 762 g of distilled water occupy?

1. what is the average velocity of a car if it travels from position 25 m to a position of - 7 m in 34 seconds? 2. a rock is thrown up into the air. it reaches the apex of its flight and falls back down to the earth.

Which of these is NOT a characteristic of mammals? a. hair c. ectotherms b. large brain d. endotherms

A desk was moved 12 m using 280 j of work. how much force was used to move the desk?

All forces are different each exerts a particular type of effect on an object

Witch statement about polymers is true

Two bullets have masses of 3,0 g and 6.0g, respectively. both are fired with a speed of 40.0 m/s. Which bullet has more kinetic energy? What is the ratio of their kinetic energies

What does it mean that a form of energy might take more energy to harness than it provides? Are renewable resources always renewable, or can they become non-renewable? Why aren't renewable resources used for everything that we use energy for?

What would a sound wave do if it traveled from a gas to a liquid? •stop •stay the same speed •slow down •speed up