When hydrochloric acid is dissolved in water the reaction produces carbon dioxide and true or false?

Why is an elements atomic mass not listed as a whole number on the periodic table

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.

Identify the electromagnets with poles that are reversed from the electromagnet shown above