Scandium. sc Isolated in 1937. a reactive metal 1)Sc react with water about as vigorously as C a does 2)The small, higl ghly charged Se3+ ion is strongly hydrated in water (like Al), the resulting hydrated ion is about as strong a bronsted acid as acetic acidScandium, Sc Isolated in 1937, a reactive metal. 1) Sc react with water about as vigorously as Ca does. 2) The small, highly charged Sc3+ ion is strongly hydrated in water (like Al3+), the resulting hydrated ion is about as strong a Bronsted acid as acetic acid