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In a calcium atom in the ground state, the electrons with the least amount of energy are located
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
What is the electron configuration of a sulfur atom in ground state?
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
Which statement correctly describes the charge of the nucleus and the charge of the electron cloud of an atom?
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
The modern model of the atom shows that electrons are
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
Which subatomic particles are located in the nucleus of a neon atom?
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
The total mass of the protons in an atom of Au-198 is approximately
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
What is the mass number of an atom that has 6 protons, 6 electrons, and 8 neutrons
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
Which group of atomic models is listed in historical order from earliest to most recent?
protons and neutrons
79 amu
14
2-8-6
The nucleus is positive and the electron cloud is negative
hard-sphere model, electron-shell model, wave-mechanical model
first electron shell
found in regions called orbitals
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