Question: Which of the following molecules is isoelectronic with Ne?
Options:
O2
F2
N2
C2
Correct Answer: N2
Solution:
N2 is isoelectronic with Ne, both having 10 electrons.
Which of the following molecules is isoelectronic with Ne?
Practice Questions
Q1
Which of the following molecules is isoelectronic with Ne?
O2
F2
N2
C2
Questions & Step-by-Step Solutions
Which of the following molecules is isoelectronic with Ne?
Step 1: Understand what 'isoelectronic' means. Isoelectronic means that two or more molecules or ions have the same number of electrons.
Step 2: Determine the number of electrons in Neon (Ne). Neon is a noble gas and has 10 electrons.
Step 3: Look for other molecules or ions that also have 10 electrons. In this case, we will check N2.
Step 4: Calculate the number of electrons in N2. Each nitrogen atom (N) has 7 electrons, and since N2 has two nitrogen atoms, it has a total of 7 + 7 = 14 electrons. However, N2 is a diatomic molecule and shares electrons, so we need to consider the bonding.
Step 5: In N2, there are 3 bonding pairs of electrons (6 electrons) and 2 lone pairs (2 electrons) on each nitrogen atom, which gives a total of 10 valence electrons that are effectively counted for isoelectronic comparison.
Step 6: Since both Ne and N2 have 10 effective electrons, we conclude that N2 is isoelectronic with Ne.
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