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The _________ contains the majority of the mass of the atom but is much ________ than the atom.

A) nucleus, smaller
B) neutrons, larger
C) electron cloud, smaller
D) pions and quarks, larger

User Joanbm
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2 Answers

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The nucleus has almost all the mass of the atom, but only a tiny tiny tiny tiny tiny portion of the atom's volume. The rest of the atom is the electron cloud and mostly empty space. I read that the nucleus in the middle of one atom is like a bunch of grapes in the middle of Texas !
User Karan Owalekar
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6 votes
a.
nucleus hold protons and neutrons that contain the mass. but is smaller due to the electron cloud making the atom bigger.
User Brenda Bell
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