Chemistry Target 1.1
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Recognize the Thomson, Rutherford, and Bohr atomic models and their relationship to particles.
A.
Which of the following statements best summarizes the modern model of the atom?
- Protons travel in circular paths around a charged nucleus.
- Negative electrons are found in positive matter.
- Matter is composed of identical and indivisible particles.
- Electrons are likely to be found in orbitals around the nucleus.
B.
Which of the following statements is consistent with Dalton's model of the atom?
- The atom contains protons, neutrons, and electrons.
- The atom has a positive nucleus.
- The atom contains a positive nucleus with electrons in circular pathways called orbits surrounding the nucleus.
- The atom is indivisible and can't be destroyed.
C.
Which of the following models visualized the atom as being a positive mass with negatively-charged particles spread throughout the mass?
- Nuclear Model
- Orbital Model
- Plum Pudding Model
- Bohr Model
D.
Which particles' discovery was attributed to JJ Thomson?
- Protons
- Neutrons
- Electrons
- Quarks
E.
Which scientist used experiments to find the nucleus of an atom?
- Dalton
- Rutherford
- Thomson
- Schrodinger
F.
In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment?
- The nucleus is negatively charged.
- The atom is a dense solid and is indivisible.
- The mass is conserved when atoms react chemically.
- The nucleus is very small and the atom is mostly empty space.