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Questions and Answers
What is the fundamental unit of an element that retains the chemical properties of that element?
What is the fundamental unit of an element that retains the chemical properties of that element?
- Molecule
- Atom (correct)
- Neutron
- Proton
What is the positively charged particle found in the nucleus of an atom?
What is the positively charged particle found in the nucleus of an atom?
- Photon
- Proton (correct)
- Electron
- Neutron
Which subatomic particle is about 1836 times heavier than an electron?
Which subatomic particle is about 1836 times heavier than an electron?
- Proton (correct)
- Photon
- Positron
- Neutron
What is the central part of an atom that contains protons and neutrons?
What is the central part of an atom that contains protons and neutrons?
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What is the term used to describe the total number of protons and neutrons in an atomic nucleus?
What is the term used to describe the total number of protons and neutrons in an atomic nucleus?
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Which scientist proposed the plum pudding model of the atom?
Which scientist proposed the plum pudding model of the atom?
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What is the name of the process by which an atom gains or loses electrons, resulting in an electrically charged atom?
What is the name of the process by which an atom gains or loses electrons, resulting in an electrically charged atom?
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What is the quantum mechanical model of the atom based on?
What is the quantum mechanical model of the atom based on?
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