Examlex
Fill in the missing value.
-44 km = ____ m
Conductor
A material that permits the flow of electric charges in one or more directions, such as metals.
Valence Electrons
Electrons in the outer shell of an atom that are available for bonding with other atoms.
Nucleus
The center or middle.
Atom Contains
Atoms consist of a nucleus made of protons and neutrons, surrounded by electrons in orbital shells.
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