name the two particles found inside the nucleus of an atom and state their mass and charge what is the collective name of these particles
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An atom is composed of two regions: the nucleus, which is in the center of the atom and contains protons and neutrons, and the outer region of the atom, which holds its electrons in orbit around the nucleus.
Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams, which scientists define as one atomic mass unit (amu) or one Dalton.
Each electron has a negative charge (-1) equal to the positive charge of a proton (+1).
Neutrons are uncharged particles found within the nucleus.
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the protons and neutrons collectively present within the nucleus are called nucleons the nucleus is positively charged because of the presence of protons
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