The process of removing an electron from a stable nucleus is known as

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i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

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the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.