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2. What is an element, and what makes elements unique?
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User BeNerd
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Answer:

Any chemical substance that cannot be converted into another substance is called an element. Each chemical element is identified by the number of protons in its atoms' nuclei, which is referred to as its atomic number. Atoms are the fundamental unit of matter that make up a chemical element. Since all matter is composed of pure substances, each element has its own name. Additionally, distinct one- or two-letter symbols are used to symbolize the names of the elements.

User Alan Coromano
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Answer:the number of protons is the characteristic which makes each element unique compared to all other elements.

Explanation:Elements are the tiny particles that make up matter

User Macho Matt
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