The formation of a solid when two liquids are mixed indicates a reaction. true or false

The correct answer is A. The statement is true. The formation of a solid when two liquids are mixed indicates a reaction because a new substance is formed when the two liquid is mixed and it is evident by the precipitate observed. 

-The principal quantum number refers to the main energy level.

-The angular momentum number refers to the type of orbital the electron is in.

-The magnetic quantum number refers to which orbital contains the electron.

-The spin quantum number distinguishes between the two electrons than any orbital can hold.

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