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Match it! Select the correct answer from the pull down...Good luck!
Why do scientists need scientific models?
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
What caused the scientific community to accept Rutherford's atomic model?
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
Which best explains why changes to the atomic theory were necessary?
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
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?
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
Modern atomic theory states that atoms are neutral. How is this neutrality achieved in atoms?
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
This atomic particle has a negative charge and very little mass.
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
This particle is found in the nucleus and has a positive charge.
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
Two atoms that have the same atomic number but different mass numbers are called
They can often be used to make predictions
electron
proton
isotopes.
Other scientists repeated the experiment
new experimental evidence
having equal numbers of protons and electrons
12
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