Examlex
_____ attention is best defined as deliberate concentration on one thing while ignoring something else.
Thallium
A soft, gray post-transition metal that is not freely found in nature, known for its toxicity and used in electronic devices.
Atoms
The basic units of matter and the defining structure of elements.
Compound
A compound is a substance formed when two or more chemical elements are chemically bonded together, resulting in properties different from the constituent elements.
Endocrine Disruptors
Chemicals that can interfere with the endocrine (or hormone) systems at certain doses, affecting development, reproduction, and other functions.
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