Which of the two substances below have the same number of oxygen atoms? 1 C₂H₆O 2 C₈H₁₈ 3 CH₃CH₂Br 4 C₄H₁₀O

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

What is the formula that this ionic compounds could form sr2+p3-o2-

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom