I need to make a menu for school that contains food items that contain algae. I have food like sushi, yogurt and ice cream. There&#39;s also mac and cheese, but I don&#39;t know how that would make a good meal with the above. If you have any food items or recipe ideas, that would help greatly.
Calcium is classified chemically as one of the alkaline earth elements (that is, in Group 2 of the periodic table. The metal is rather reactive. It readily forms a white coating of calcium nitride (Ca3N2) in air. It reacts with water and the metal burns with a yellow-red flame, forming largely the nitride.
Calcium: the essentials. Calcium as the element is a grey silvery metal. The metal is rather hard. Calcium is an essential constituent of leaves, bones, teeth, and shells. Calcium is the fifth most abundant element in the earth's crust and makes up more than 3% of the crust.