Examlex
Which of the following polyatomic ions has a doubly negative charge?
Zinnia
A genus of plants within the sunflower tribe, known for their bright and colorful flowers, often used in gardens and landscaping.
Marigold
A common garden plant known for its bright orange, yellow, or mixed-color flowers, often used for ornamental purposes or as a natural pest deterrent.
U.S. Census Bureau
A federal agency responsible for collecting and analyzing data about the population and economy of the United States.
Illegal Immigrants
Individuals who enter or reside in a country without the necessary authorization or documents required by immigration laws.
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