Multiple Choice
In which subshells are the valence electrons typically found for main group elements?
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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 is the number of valence electrons in a hydrogen atom?
A
2
B
1
C
4
D
8
Verified step by step guidance1
Recall that valence electrons are the electrons in the outermost shell of an atom that participate in chemical bonding.
Identify the atomic number of hydrogen, which is 1, meaning it has 1 electron in total.
Since hydrogen has only one electron, that electron is also in its outermost shell (the first shell).
Therefore, the number of valence electrons in a hydrogen atom is equal to the total number of electrons it has, which is 1.
Conclude that the correct number of valence electrons for hydrogen is 1.
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