A group in the periodic table has the same... A. Number of Neutrons
B. Shell number
C. Number of protons
D. Number of outer shell electrons

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

What are four significant sources of ghgs that come from wostem washington?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.