The number of protons in an oxygen atom is:

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Prepare for the TEAS 7 Scientific Reasoning Test with interactive questions, flashcards, and insightful explanations. Enhance your knowledge and gear up for exam success!

Multiple Choice

The number of protons in an oxygen atom is:

Explanation:
At the center of every atom lies the nucleus, made of protons and neutrons. The number of protons, called the atomic number, defines which element the atom is. For oxygen, this atomic number is eight, so every oxygen atom has eight protons. That count is fixed for a given element and does not change with temperature, pressure, or chemical state. Isotopes of oxygen differ in the number of neutrons, not protons, so they share the same proton count. Therefore the number of protons is constant.

At the center of every atom lies the nucleus, made of protons and neutrons. The number of protons, called the atomic number, defines which element the atom is. For oxygen, this atomic number is eight, so every oxygen atom has eight protons. That count is fixed for a given element and does not change with temperature, pressure, or chemical state. Isotopes of oxygen differ in the number of neutrons, not protons, so they share the same proton count. Therefore the number of protons is constant.

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