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Questions and Answers
According to the Rutherford-Bohr model of the atom, electrons rotate around the nucleus in predefined ____.
According to the Rutherford-Bohr model of the atom, electrons rotate around the nucleus in predefined ____.
- Random patterns
- Orbits or energy levels (correct)
- Straight lines
- Spiral paths
Which scientist suggested that atoms are composed of a small, dense nucleus surrounded by a cloud of electrons?
Which scientist suggested that atoms are composed of a small, dense nucleus surrounded by a cloud of electrons?
- John Dalton
- J.J. Thomson
- Ernest Rutherford (correct)
- Niels Bohr
What did John Dalton propose about elements and their composition?
What did John Dalton propose about elements and their composition?
- Elements are made up of different types of atoms
- Atoms of different elements are identical (correct)
- Elements are made up of fire, earth, wind, and air
- Atoms can change into other atoms
Which atomic model suggested that there are equal quantities of positive and negative charges in an atom?
Which atomic model suggested that there are equal quantities of positive and negative charges in an atom?
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In the Greek Atom model, what were the four components believed to make up all matter?
In the Greek Atom model, what were the four components believed to make up all matter?
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