What term do we use to describe how bright a star “seems” to us here on Earth? absolute magnitude
apparent magnitud

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

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