Which of these best explains why Earth’s inner core is a solid? Low pressure due to other layers forces the particles to stay closer.
High pressure due to other layers forces the particles to stay closer.
High temperature due to other layers keeps the particles close together.
Low temperature due to other layers keeps the particles close together.

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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.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.