What is the meaning of nucleus
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Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

I’m an electrically neutral atomic any element, there are equal numbers of