Multiple Choice
The reactivity of an element can often be determined by examining the element's:
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10. Periodic Properties of the Elements
Valence Electrons of Elements
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following best defines valence in chemistry?
A
The number of neutrons present in an atom
B
The number of electrons an atom uses to bond with other atoms
C
The energy required to remove an electron from an atom
D
The total number of protons in the nucleus of an atom
Verified step by step guidance1
Understand that 'valence' in chemistry refers to the ability of an atom to bond with other atoms, which is related to its electrons.
Recall that neutrons are neutral particles in the nucleus and do not affect bonding directly, so the number of neutrons is not related to valence.
Recognize that the energy required to remove an electron is called 'ionization energy,' which is different from valence.
Know that the total number of protons defines the atomic number, which identifies the element but does not define valence.
Conclude that valence is best defined as the number of electrons an atom uses to bond with other atoms.
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