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Of the following complex ions: [CoCl(NH3) 5]2+, [Co(NH3) 6]3+, [Co(en) 3]3+, [Co(H2O) 6]3+, one appears pink, two are yellow, and one blue. Which is blue?
Menopause
The time in most women's lives when menstrual periods stop permanently, marking the end of reproductive capability.
Menarche
The first occurrence of menstruation in a female, signaling the beginning of reproductive capability.
Midlife Crisis
A psychological and emotional period of doubt and anxiety that some individuals experience during middle age, questioning their life achievements and direction.
Menstruation
The monthly discharge of blood and mucosal tissue from the uterine lining in non-pregnant females of reproductive age.
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