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Multiple Choice
Which term refers to the outermost electrons of an atom?
A
Valence electrons
B
Neutrons
C
Core electrons
D
Protons
Verified step by step guidance
1
Understand that atoms consist of protons, neutrons, and electrons arranged in different regions.
Recall that protons and neutrons are located in the nucleus, while electrons orbit the nucleus in energy levels or shells.
Identify that electrons in the innermost shells are called core electrons, which are not involved in chemical bonding.
Recognize that the electrons in the outermost shell of an atom are called valence electrons, and these are the electrons involved in chemical reactions and bonding.
Conclude that the term referring to the outermost electrons of an atom is 'valence electrons'.