Friday (9/9). Spillway gates will be opened at 10 a.m. Monday (9/12) to release 1,000 cubic feet per second through the spillway, which runs from the lake to the Lackawaxen River. The release rate will be increased gradually to 2,000 cubic feet per second, and held at that level.
Rust-compound Air-mixture Helium-element soil-mixture Sea water-mixture salt-compound An element is made of a single pure substance, matter-Helium, hydrogen, etc. A compound is a pure substance made of elements chemically put together. Not easily separated.
Chemically, water is a compound of hydrogen and oxygen, having the formula H 2 O. It is chemically active, reacting with certain metals and metal oxides to form bases, and with certain oxides of nonmetals to form acids. It reacts with certain organic compounds to form a variety of products, e.g., alcohols from alkenes.