How many grams of barium chloride are produced when 1.25 x 1023 molecules of HCl reacts with barium according to the following equation? Word equation:

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles