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Based on the Bohr model, which of the following is true about the outermost electrons of an atom?

A The outermost electrons with low energy will spiral into the nucleus.
B. The outermost electrons with high energy will move randomly around the nucleus.
C. The outermost electrons are present in the atom's energy shell that corresponds with variable energy.
D. The outermost electrons are present in the atom's energy shell that corresponds with the highest energy.

1 Answer

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Final answer:

The correct statement according to the Bohr model is that the outermost electrons reside in the atom's highest energy shell. The Bohr model treats electrons like planets orbiting a star, with those further out being at higher energy levels due to the increased energy required to keep them away from the positively charged nucleus.

Step-by-step explanation:

Based on the Bohr model, the correct statement about the outermost electrons of an atom is: D. The outermost electrons are present in the atom's energy shell that corresponds with the highest energy.

In Bohr's model, electrons orbit the nucleus in specific energy shells. The innermost shells are filled first, as they are of lower energy and closer to the nucleus. As electrons fill up these inner shells, additional electrons occupy higher energy shells further from the nucleus. It requires energy to move an electron away from the positive nucleus due to the attraction between the negative electrons and positive protons. Therefore, the outermost electrons reside in the highest energy shell available to them. This explains the electronic stability of atoms and how they interact with each other to form chemical bonds.

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