Which of the following statements is correct? The size of an atom is approximate
ID: 987959 • Letter: W
Question
Which of the following statements is correct?
The size of an atom is approximately defined by the region of the space where protons move around.
The significant portion of the mass of an atom comes from the mass of electrons.
An atom is an electrically neutral object because the number of protons is equal to the number of electrons.
The number of neutrons in a particular element (for example, fluorine) can be found in the periodic table provided on the back of the front cover of the textbook of this course.
The number under the atomic symbol of each element in the periodic table is called “the mass number”.
The size of an atom is approximately defined by the region of the space where protons move around.
The significant portion of the mass of an atom comes from the mass of electrons.
An atom is an electrically neutral object because the number of protons is equal to the number of electrons.
The number of neutrons in a particular element (for example, fluorine) can be found in the periodic table provided on the back of the front cover of the textbook of this course.
The number under the atomic symbol of each element in the periodic table is called “the mass number”.
Explanation / Answer
The size of an atom is approximately defined by the region of the space where protons move around.
An atom is an electrically neutral object because the number of protons is equal to the number of electrons.
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