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Chemistry unit 2 test
Terms in this set (12)
Chlorine has this many valence electrons.
These subatomic particles can be found in the nucleus.
protons and neutrons
This scientist helped develop the Plum Pudding
Model for the Atom.
This scientist created the Billiard Ball Model.
Give two reasons the Bohr Model is a more effective model than the Dalton Model.
Bohr model has a nucleus, Bohr model contains protons, neutrons, electrons
Give two strengths for the Quantum Mechanical
Model compared to the Plum Pudding Model.
has protons and neutrons, has a nucleus
Describe an atom, including the location of any subatomic particles that you are aware of.
Protons and neutrons in the nucleus, electrons in energy levels outside of nucleus
Who discovered the electron?
Who discovered the nucleus?
Which of the following is the lightest?
An _____________ is a positively or negatively charged atom.
______________ have the same number of protons, but have a different mass (different number of neutrons).
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