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What caused the scientific community to accept Rutherford's atomic model?
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
Which best explains why changes to the atomic theory were necessary?
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
This atomic particle has a negative charge and very little mass.
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
Modern atomic theory states that atoms are neutral. How is this neutrality achieved in atoms?
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
A neutral atom of sodium (Na) has an atomic number of 11 and a mass number of 23. How many neutrons would be found in the nucleus of this atom of sodium?
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
Why do scientists need scientific models?
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
This particle is found in the nucleus and has a positive charge.
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
Two atoms that have the same atomic number but different mass numbers are called
12
isotopes.
proton
having equal numbers of protons and electrons
Other scientists repeated the experiment
electron
They can often be used to make predictions
new experimental evidence
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