What is the charge of an alpha particle

What element has the highest electronegativity?

What is the oxidation number of sulfur in CaSO3 (3 is a subscript) ?

How many moles of C2H2 are needed to react completely with 84.0 mol O2?

Imagine that you have a piece of Styrofoam. Suppose you squeezed it hard enough to change its shape. Briefly describe how this compression would affect its mass, volume, and density.

What is a mole? in your own words. (6.02x10^23)

Explain in detail how photosynthesis follows the law of conservation of mass AND the law of conservation of energy.

The anion formed from an oxygen atom is called a (n) a. oxygen ion. c. carbon dioxide. b. oxide ion. d. nitrous oxide.

Mole conversions. Find the number of moles of argon in 607g of argon?

Einstein's Theory of Relativity was built on the research and ideas of other scientists. The Theory of Relativity proposes that the speed of light is a constant.

Crystals Choose one: A. display asymmetry. B. have an orderly internal arrangement of atoms arranged in a lattice pattern. C. grow inward from a seed. D. are youngest in the center and oldest at the outer edge.