HomeLink Parent Portal is available for all MDUSD students and legal guardians. There are a variety of reasons to have a HomeLink Parent Portal account, and some of the benefits include the ability to check student grades (Middle & High Schools only), test scores, attendance, as well as other contact and registration features. 2.
When present in compounds barium exists usually in the Ba 2+ , divalent state. Barium dissolves in most aqueous acids except sulfuric acid, due to the formation of an insoluble protective layer of barium sulfate.
Barium hydroxide is a white solid. It dissolves in water to make a basic solution. It decomposes to barium oxide when heated in a vacuum. It reacts with carbon dioxide to make barium carbonate. It reacts with any sulfate to make barium sulfate.