An atom has 20 protons, 26 neutrons, and 20 electrons. what could be the atomic mass of this atom?

Ammonium phosphate ((NH4) 3 (PO4) is an important ingredient in many solid fertilizers. It can be made by reacting aqueous phosphoric acid with liquid ammonia. Calculate the moles of ammonia needed to produce of ammonium phosphate.

14. What is a major disadvantage of using solar power? A. damage to wildlife B. radioactive waste C. electricity cannot be generated D. requires large storage batteries 11.

Which element has three unpaired electrons in its p orbital?

What does nitrogen gas consists of?

Water serves as a reactant and a product in the carbon cycle. discuss the role of water in the carbon cycle

How many isomers does hexane (C6H14) have

How does human activity affect earth's natural resources?

How many grams of chromium metal are plated out when a constant current of 8.00 a is passed through an aqueous solution containing cr3 + ions for 160. minutes?

During which stage of a thunderstorm does rain begin to fall? a. The development stage c. The mature stage b. The precipitation stage d. The waxing stage

What is released in the process of an atom moving from an excited level to a lower energy level?