An element or compound which occurs naturally in the earth is a alloymineralrock.

Which is better, the calves of legs or the viable veins in hands?

Calcium oxide anion meatl or metal

18. What element has 81 protons in the nuclei of its atoms?

Explain why neon is monatomic but chlorine is diatomic.

George is writing an essay about the role of observation and inference in the development of the atomic theory. He wants to explain why it was more difficult to observe the presence of neutrons in atoms.

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?

What occurs in a chemical reaction? a. products are formed without chemical bonds being broken. b. products are formed from reactants by the breaking and forming of new bonds. c. reactants are formed without chemical bonds being broken. d.

What amount of O2 reacts with 43gAl

Along the right side of the page there are links to various data tables. You receive a fax with a data table labeled "U. S. Laboratory Confirmed Influenza-Associated Hospitalizations and Deaths.

What is an aqueous solution of sodium chloride is best classified as