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A neutron has a
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
This atom has 2 valence electrons in it's sixth energy level
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
Argon has 18 electrons and 18 protons. The electrons fill the energy levels like this:
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
The particles located in the nucleus of an atom include
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
The number of electons in a stable atom are
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
The halogen group on the periodic table hold how many valence electrons
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
If you add a neutron to an atom, you will
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
An electron has a
Protons and Neutrons
2 in the first shell, 8 in the second shell, 8 in the third shell
Negative charge
7
Increase the atomic mass
Radium
Always equal to the number of protons
neutral charge(no charge)
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