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Light is produced when electrons
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
Which subatomic particles are located in the nucleus of a carbon atom?
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
An electron in a sodium atom gains enough energy, to move from the second shell to the third shell. The sodium atom becomes
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
The gold foil experiment led to the conclusion that each atom in the foil was composed mostly of empty space because most alpha particles directed at the foil
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
Carbon-14 and Carbon-12 have the
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
which particle has no charge
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
How many electrons are in Na-23
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
What is the nuclear charge of Mg-24?
11
an atom in the excited state
12
same number of protons different number of neutrons
move from a higher energy level to a lower energy level
electron
passed through the foil
protons and neutrons
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