What unit is used to measure very far distances in space

Which term describes the degree to which an element attracts electrons? which term describes the degree to which an element attracts electrons? electronegativity. polarity. oxidation. reduction?

What physical properties are used when making a cup of tea by boiling a tea bag in hot water?

What type reaction is in the example below? Na-Br + Cl-Cl - -> Na-Cl + Br-Br

The total energy in a system is 675 J. The kinethe energy changes from 296 J to 432 J. Which statement best describes the potential energy of this system? It changes from 296 J to 432 J. It changes from 379 J to 243 J.

Contrast oxidation and reduction. A. Oxidation involves the loss of elections while reduction involves the gain of electrons. B. Both oxidation and reduction involve the gain of electrons. C.

Secondary consumers are eaten by?

What happens to atomic radius down a group?

The study of aquatic plants Oceanography or Biology?

A cube of an unknown metal is 1.25 inches on each side and has a mass of 128.3741 g. What is its' density?

Water is added to liquid isopropanol (a polar liquid) to form a solution of rubbing alcohol. Describe what happens on the molecular level as the water dissolves in the isopropanol.