Multiple Choice
Which group on the periodic table has the greatest number of valence electrons?
2. Atoms & Elements
Periodic Table: Group Names
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Which of the following is the atomic number of the second noble gas in the periodic table?
A
18
B
8
C
2
D
10
Verified step by step guidance1
Recall that the atomic number of an element corresponds to the number of protons in its nucleus and determines its position in the periodic table.
Identify the noble gases in order: the first noble gas is Helium (He) with atomic number 2, the second noble gas is Neon (Ne), and the third is Argon (Ar).
Confirm the atomic number of Neon, which is the second noble gas in the periodic table.
Compare the given options (18, 8, 2, 10) with the atomic number of Neon to find the correct match.
Select the atomic number that corresponds to Neon, which is the second noble gas.
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