Use the periodic table and identify the element that is a non-reactive gas.

A) chlorine

B) neon

C) nitrogen

D) oxygen

What are the characteristics of visible light.

the volume of air in a diving bell changes as it descends into deep water. if the air in a diving bell occupies 9.50 L at 1.02 atm and 20.1 c what will be the volume of the air at 1.55 atm and 15.0 c

Que partículas creen que tiene un electroiman?

A solution has a pH of 2.5. What is its [OH-]?

What is the relationship between atoms, elements and compounds?

A 0.75mol calcium carbonate (CaCO3) pellet has what mass?

The pH of the acid in the stomach is 2. When a person has heartburn, the acid in their stomach is coming up the esophagus (lower throat) and burning the lining of the esophagus. Why would a person take an Alka Seltzer tablet for heartburn?

Calculate the photon energy (in joules) for the light emitted from the hydrogen atom if ninitial = 4 and nfinal = 2.

The distance from one place to another

What is the purpose of a cell membrane