Answers Chemistry Honors AElectrons and the Periodic Table

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Which describes Ernest Rutherford’s experiment?

Positive particles are fired at gold foil. Most bounce back, but some pass through.

Negative particles are fired at gold foil. Most bounce back, but some pass through.

Positive particles are fired at gold foil. Most pass through, but some bounce back.

Negative particles are fired at gold foil. Most pass through, but some bounce back.

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Which element is classified as an alkali metal?

What did Ernest Rutherford’s gold foil experiment demonstrate about an atom?

Each atom is composed of electrons and positive material.

The mass of the atom is evenly spread throughout the atom.

Neutrons are located in the center of the atom.

Positive charge occupies a very small volume in the atom.

How did Niels Bohr describe electrons in his atomic model?

Their energies can have any values.

Their exact positions cannot be known.

They have high probability to be found in certain regions.

They orbit the central nucleus in discrete paths.

The elements of which group are nonreactive?

halogens

alkaline earth metals

noble gases

alkali metals

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