Question

Rank from highest to lowest ionization energy. To rank items as equivalent, overlap them.

Answer 1

Ranked from highest to lowest

Oxygen - 13.6181 kJ/mol

Silicon - 8.1517 kJ/mol

Nickel - 7.6398 kJ/mol

Manganese - 7.434 kJ/mol

Barium - 5.2117 kJ/mol