Question
Which element has the electron configuration of argon (Ar) when it has a stable electron configuration?
(1 point)
Responses
bromine (Br)
bromine (Br)
magnesium (Mg)
magnesium (Mg)
oxygen (O)
oxygen (O)
potassium (K)
(1 point)
Responses
bromine (Br)
bromine (Br)
magnesium (Mg)
magnesium (Mg)
oxygen (O)
oxygen (O)
potassium (K)
Answers
There are no human answers yet.
Answered by
GPT-4o mini
The element that has the electron configuration of argon (Ar) when it has a stable electron configuration is bromine (Br).
Bromine has the atomic number 35, and in its stable form (Br⁻), it gains an electron to achieve the same electron configuration as argon (Ar), which has 18 electrons. So, the correct answer is:
**bromine (Br)**
Bromine has the atomic number 35, and in its stable form (Br⁻), it gains an electron to achieve the same electron configuration as argon (Ar), which has 18 electrons. So, the correct answer is:
**bromine (Br)**
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