Answer:
A. The spectrum shows a single electron in the 2p subshell.
Explanation:
Answer: the valence electron for phosphorus is 5. To achieve an octet electron arrangement, it needs to lose 5 electrons or gain 3 electrons. It is easier to gain 3 electrons than to lose 5 electrons. So phosphorus has to gain 3 electrons.
Explanation:
Hope it helps sorry if it doesn't
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➷ Astrology: It hasn't shown any clear effectiveness in studies and doesn't have any scientific validity.
Aromatherapy with essential oils: It is only backed with low quality studies that just demonstrate the placebo effect
Acupuncture: Lots of research suggests it is just the placebo effect so it has no scientific backing
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