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Questions and Answers
What is the chemical symbol for sodium?
What is the chemical symbol for sodium?
- No
- So
- Na (correct)
- Sd
Which of the following is a noble gas?
Which of the following is a noble gas?
- Chlorine
- Oxygen
- Nitrogen
- Helium (correct)
What is the pH value of a neutral solution?
What is the pH value of a neutral solution?
- 5
- 9
- 7 (correct)
- 3
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Study Notes
Chemical Elements
- The chemical symbol for sodium is Na.
Noble Gases
- A noble gas is one of the following: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).
Acids and Bases
- The pH value of a neutral solution is 7.
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