Multiple Choice
An atom is electrically neutral because which of the following is true?
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4. Atoms and Elements
The Atom (Simplified)
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In the simplified model of the atom, most of the volume of an atom is best described as which of the following?
A
Empty space between the nucleus and the electrons
B
A solid region filled uniformly with electrons and protons
C
The dense nucleus containing protons and neutrons
D
The electron cloud containing most of the atom’s mass
Verified step by step guidance1
Recall the basic structure of an atom: it consists of a dense nucleus at the center, containing protons and neutrons, and electrons that occupy the space around the nucleus.
Understand that the nucleus is very small compared to the overall size of the atom but contains most of the atom's mass due to protons and neutrons.
Recognize that electrons are found in the electron cloud, which is a region around the nucleus where electrons are likely to be found, but this cloud does not contain most of the atom's mass.
Consider that the space between the nucleus and the electron cloud is mostly empty, meaning it contains very little matter, making the atom mostly empty space.
Conclude that in the simplified atomic model, the majority of the atom's volume is best described as empty space between the nucleus and the electrons.
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