The metals that react violenty with cold water are sodium and calcium
sodium and potasium
gold and silver
iron and sodium​

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

Adepositional also feature that forms where a stream enters a lake or an ocean is a