We Can Represent Atoms by Listing the Number of Protons

question 46

Multiple Choice

We can represent atoms by listing the number of protons, neutrons, and electrons-for example,
2p⁺; 2n⁰; 2e⁻ for helium. Which of the following represents the ¹⁸O isotope of oxygen?

• A) 6p⁺, 8n⁰, 6e⁻
• B) 8p⁺, 10n⁰, 8e⁻
• C) 9p⁺, 9n⁰, 9e⁻
• D) 7p⁺, 2n⁰, 9e⁻
• E) 10p⁺, 8n⁰, 9e⁻

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