Element "Q" is a third period element and has the following successive ionization energies. What is element "Q"?
IE₁ IE₂ IE₃ IE₄ IE₅ IE₆ 577 kJ/mol 1816 kJ/mol 2744 kJ 11,576 kJ/mol 14,829 kJ/mol 18,375 kJ/mol

Question

Quizplus · Accepted Answer

The large jump in ionization energy from the third to the fourth ionization energy indicates that element "Q" has three electrons in its outer shell. This characteristic is consistent with aluminum (Al), which is in the third period and has three valence electrons.

Element "Q" Is a Third Period Element and Has the Following