If an atom has 7 electrons in its valence shell, how many single covalent bonds would it typically form?
Understand the Problem
The question is asking about the bonding behavior of an atom with 7 valence electrons. Atoms tend to form bonds to achieve a stable octet (8 electrons) in their valence shell. The question asks us how many covalent bonds an element with 7 valence electrons would typically form to achieve this stable octet.
Answer
One single covalent bond.
An atom with 7 electrons in its valence shell typically forms one single covalent bond to achieve a stable octet.
Answer for screen readers
An atom with 7 electrons in its valence shell typically forms one single covalent bond to achieve a stable octet.
More Information
Atoms strive to have a full outer electron shell, typically containing 8 electrons (octet rule). Atoms with 7 valence electrons need only one more electron to complete their octet, thus forming one covalent bond by sharing an electron with another atom.
Tips
A common mistake is confusing the number of valence electrons with the number of bonds formed. Remember, the number of bonds formed is how many electrons are needed to complete the octet.
Sources
- Given an element with seven valence electrons, how many chemical ... - quora.com
- 4.2: Covalent Bonds - Chemistry LibreTexts - chem.libretexts.org
- How many single covalent bonds can halogens form? - Socratic - socratic.org
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