Examlex
Which of the following elements may not have an oxidation number of -1?
1980s
A decade characterized by significant political, technological, and cultural shifts, including the end of the Cold War, the rise of personal computers, and distinctive fashion and music styles.
Media
Various means of communication that reach or influence people widely, such as television, newspapers, and the internet.
Contemporary Feminists
Modern individuals or groups who advocate for gender equality and women's rights, reflecting current issues and societal trends.
Issues
Topics of concern or debate, often requiring attention, discussion, or resolution.
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