Concept explainers
Interpretation:
The number of valence electrons of each noble gas needs to be determined.
Concept introduction:
The number of electrons in the valence shell of an atom is called valence electrons. Noble gases are also known as zero group elements because of their zero valency. They are inert in nature.
Answer to Problem 43A
All the noble gases have eight valence electrons.
Explanation of Solution
Noble gases are the elements present in group 18 of the periodic table. They belong to p-block of the periodic table. The names of all noble gases are Helium, Neon, Argon, Krypton, Xenon and Radon. All the noble gases have completely filled s and p orbitals. Therefore, they have eight valence electrons. Due to completely filled s and p orbitals, they are inert in nature.
Noble gases are inert in nature because of their completely filled valence shells.
Chapter 6 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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