Chocolates are distributed to passengers in aeroplanes why?​

Models are non-visual ways of coummincating how someone thinks about something in the natural world

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid