When you excite atoms of different elements above their ground state, they emit different color lights.
Answer:
During World War II, rationing was implemented to control the equal distribution of items in short supply. Although the primary goal of rationing was equal distribution, a secondary goal was to free valuable factory resources for war production.
Explanation:
Germanium. Germanium is in the same group and is also a metalloid, like silicon
Answer:
6H20 represents six molecules of water