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Questions and Answers
What is the atomic symbol for Aluminium?
What is the atomic symbol for Aluminium?
- Alu
- A
- Al (correct)
- Am
If one were to represent a carbon atom with a unified mass of 1.0 u, what would be the unified mass of an oxygen atom?
If one were to represent a carbon atom with a unified mass of 1.0 u, what would be the unified mass of an oxygen atom?
- 1.5 u
- 0.67 u
- 0.75 u
- 1.33 u (correct)
Which element in the table has the atomic symbol 'Na'?
Which element in the table has the atomic symbol 'Na'?
- Neon
- Nickel
- Nitrogen
- Sodium (correct)
What is the chemical symbol for Gold?
What is the chemical symbol for Gold?
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Which element has the atomic number 22?
Which element has the atomic number 22?
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Study Notes
Atomic Symbols and Masses
- The atomic symbol for Aluminium is Al.
- A carbon atom with a unified mass of 1.0 u would have an oxygen atom with a unified mass of 16.0 u.
- The element with the atomic symbol 'Na' is Sodium.
- The chemical symbol for Gold is Au.
- The element with the atomic number 22 is Titanium.
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