Atoms release energy when_

A. electrons move to a lower energy level

B. electrons move to a higher energy level

c. protons move to a higher energy level

D. protons move to a lower energy level

What is burning in chemistry.

What would happen if uranium-241 lost 2 protons and 2 neutrons?

What is the mass of 1.63 moles and f ammonium phosphorus (NH4) 3PO4

Ammonia, NH3, is widely used as a fertilizer and as an ingredient in many household cleaners. How many moles of ammonia are produced when 6 mol of hydrogen gas reacts with an excess of nitrogen gas?

What is enthalpy? the total concentration of the system the total heat content of the system the total pressure of the system the total internal energy of the system

Which statements are true about the linear inequality y > x - 2? Check all that apply

How is the Gobi Desert different from the Sahara Desert

Which average wind speed do areas need to effectively power wind farms? A:1 mph B:5 mph C:10 mph D:16 mph

What is the total number of moles represented by 20 grams of CACO3 A. 0.1 B. 0.2 C. 1 D. 2

Which describes the polarity in a water molecule? a). partial negative charge on the oxygen atom because its electrons are pulled toward the hydrogen atoms b).