Here are the answers to your statements:
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The nucleus of an atom is found in the atom's center. True
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The nucleus of an atom contains at least one proton. True (Note: While some isotopes of hydrogen can have no protons, in the context of standard atomic structure discussions, we typically refer to atoms that are not hydrogen.)
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A neutron has a positive electrical charge. False (Neutrons are electrically neutral.)
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Most of an atom's mass is found in protons and neutrons. True
So, in summary:
| Statement | True | False | |-----------------------------------------------------------------------------------|------|-------| | The nucleus of an atom is found in the atom's center. | ✅ | | | The nucleus of an atom contains at least one proton. | ✅ | | | A neutron has a positive electrical charge. | | ✅ | | Most of an atom's mass is found in protons and neutrons. | ✅ | |