Chemistry

Elements in the same row have the same number of (*) levels

Which elements in B O U L A N...","Elements in the same row have the same number of (*) levels

Which elements in B O U L A N would be in the same family? Which would have the same number of energy levels? Highest mass? Lowest mass?

Which is more reactive? Uranium or Lithium

Will elements B and U lose electrons in a chemical reactor?

Will elements B and U form positive or negative ions?