pourquoi le pétrole flotte t'il lors d'une marée noire ? Mots a utiliser obligatoirement : miscible, mélange et masse volumique

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Is 9 correct? and can someone me with 10? it’s due tomorrow, you