Question Answer
protons + charge ( positive charge ) located in the nucleus
metalloids some one good conducers while other are poor the behave as metal sometimes and as nonmetals other times
neutrons o charge ( no charge / neutral ) , located in the nucleus with the protons
atomic mass the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average
malleable of a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking.
electrons – changes ( negative charges ) located outside of the nuc
chemical symbol we represent an element name with one or two letters.
nonmetal no luster poor conductor of heat and electricity read with acids hight density hight melting point corrosive = rust
atomic number is a
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