Asked by Hannah
15. When chromium loses two electrons, its configuration changes to
A. [Ar]4s1.
B. [Ar]3d4.
C. [Ar]4s13d5.
D. [Ar]4s13d4.
I'm guessing it's B but I just want to double check
A. [Ar]4s1.
B. [Ar]3d4.
C. [Ar]4s13d5.
D. [Ar]4s13d4.
I'm guessing it's B but I just want to double check
Answers
Answered by
DrBob222
You are correct.
Answered by
Anonymous
Which of the following is not true in regard to atomic radii of main group elements?
A. Atomic radii decrease in size when the pull of electrons toward the nucleus of an atom is greater.
B. Atomic radii generally increase as you move from left to right across a period.
C. Atomic radii size is related to the number of electrons in the valence level and the number of protons in the nucleus.
D. Atomic radii generally increase as you move down a group.
A. Atomic radii decrease in size when the pull of electrons toward the nucleus of an atom is greater.
B. Atomic radii generally increase as you move from left to right across a period.
C. Atomic radii size is related to the number of electrons in the valence level and the number of protons in the nucleus.
D. Atomic radii generally increase as you move down a group.
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