Which of the following substances is a compound? A. hydrogen gas B. nitrogen gas C. table sugar D. oxygen gas

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.

An experimental procedure requires a 10 ml of acid to be dissolved

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1