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Q: What do scientists use to predict the locations of electrons in atoms? A. probability B. algebra C. geometry D. ratios and proportions
A: A. probability scientists use to predict the locations of electrons in atoms
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Original conversation
User: According to John Dalton’s observations, when elements combine in a compound, A. the ratio of their masses is always the same. B. each element contributes an equal number of atoms. C. their volumes are always equal. D. their masses are always equal.

User: What do scientists use to predict the locations of electrons in atoms? A. probability B. algebra C. geometry D. ratios and proportions

Weegy: A. probability scientists use to predict the locations of electrons in atoms
BRAINSTORM|Points 3065|

User: Which statement best describes Rutherford’s model of the atom? A. It is like an avocado with the pit representing the nucleus. B. It is like an aquarium with swimming fish representing positive charges. C. It is like a fried egg with the yolk representing the nucleus. D. It is like a huge stadium with a positively charged marble at the center.

Weegy: The answer is: D. It is like a huge stadium with a positively charged marble at the center
koaley|Points 6262|

User: Rutherford’s gold foil experiment provided evidence for which of the following statements? A. Negative and positive charges are spread evenly throughout an atom. B. Alpha particles have a positive charge. C. Gold is not as dense as previously thought. D. There is a dense, positively charged mass in the center of an atom.

Weegy: Rutherford?s gold foil experiment provided evidence that D. there is a dense, positively charged mass in the center of an atom.
rugmaker|Points 2505|

User: What is the difference between an atom in the ground state and an atom in an excited state? A. The atom in the ground state has less energy and is less stable than the atom in an excited state. B. The atom in an excited state has one fewer electron than the atom in the ground state. C. The atom in an excited state has more energy and is less stable than the atom in the ground state. D. The atom in an excited state has one more electron than the atom in the ground state.

Weegy: C. The atom in an excited state has more energy and is less stable than the atom in the ground state.
rugmaker|Points 2505|

User: How was Bohr’s atomic model similar to Rutherford’s model? A. It assigned energy levels to electrons. B. It described electron position in terms of the electron cloud model. C. It described how electrons gain or lose energy. D. It described a nucleus surrounded by a large volume of space.

Weegy: dD. It described a nucleus surrounded by a large volume of space.
emem0910|Points 235|

User: J. J. Thomson’s experiments provided evidence that an atom A. is the smallest particle of matter. B. contains negatively charged particles. C. has a negative charge. D. has a positive charge.

Weegy: B. contains negatively charged particles.
danichix|Points 158|

User: To find the number of neutrons in an atom, you would subtract A. mass number from atomic number. B. atomic number from mass number. C. atomic number from electron number. D. isotope number from atomic number.

Weegy: B. atomic number from mass number. Atomic number - mass number gives us the number of neutrons in an atom.
eturker|Points 2782|

User: Suppose an atom has a mass number of 23. Which statement is true beyond any doubt? A. The atom has an odd number of neutrons. B. The atomic number is less than 11. C. The atom is not an isotope. D. The number of protons in the nucleus does not equal the number of neutrons.

Weegy: D. The number of protons in the nucleus does not equal the number of neutrons.
danimai|Points 1504|

User: Which statement about electrons and atomic orbitals is NOT true? A. An electron has the same amount of energy in all orbitals. B. An orbital can contain a maximum of two electrons. C. An electron cloud represents all the orbitals in an atom. D. An atom’s lowest energy level has only one orbital.

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Asked 1/4/2013 10:30:55 AM
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