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Questions and Answers
What is the atomic number of an element on the periodic table?
What is the atomic number of an element on the periodic table?
- The number of protons in the nucleus (correct)
- The number of electrons in the outer shell
- The total number of protons and neutrons
- The number of neutrons in the nucleus
Which element is located in period 3, group 13 of the periodic table?
Which element is located in period 3, group 13 of the periodic table?
- Aluminum (correct)
- Sodium
- Silicon
- Phosphorus
What is the most common element in the Earth's crust by mass?
What is the most common element in the Earth's crust by mass?
- Iron
- Silicon
- Aluminum
- Oxygen (correct)
