What group of elements does the shaded area in the following periodic table indicate? 
Definitions:
Feminists
Advocates for women's rights and equality between the genders, challenging societal norms and disparities.
Heterosexism
An ideological system that denies, denigrates, and stigmatizes any non-heterosexual form of behavior, identity, relationship, or community.
Androcentrism
A perspective or approach that prioritizes, centers on, or views the world through the lens of male interests and experiences, often marginalizing other perspectives.
Socially Approved
Accepted by society or conforming to the norms and values that the majority of society agrees on.
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