Читать книгу An Introduction to the Periodic Table of Elements : Chemistry Textbook Grade 8 | Children's Chemistry Books - Baby Professor - Страница 7

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Examples of elements are iron, oxygen, hydrogen, lead, neon, chlorine, and many others. All elements are identified by the number of protons they have.

An Introduction to the Periodic Table of Elements : Chemistry Textbook Grade 8 | Children's Chemistry Books

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