Everyday Science MCQs (page 17 of 51)
Physics, chemistry, biology, the human body, units and the solar system, covering the everyday science section of general-ability tests.
1,014 questions. Select an option to check your answer, or open "Show answer". Showing 321–340.
- 321.
Which element has the chemical symbol Tb?
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Answer: A. Terbium
Tb is the symbol of terbium.
- 322.
What is the atomic number of terbium?
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Answer: B. 65
Terbium has 65 protons, so its atomic number is 65.
- 323.
Which element has the atomic number 65?
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Answer: C. Terbium
Atomic number 65 belongs to terbium (Tb).
- 324.
What is the chemical symbol of dysprosium?
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Answer: A. Dy
The symbol of dysprosium is Dy.
- 325.
Which element has the chemical symbol Dy?
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Answer: B. Dysprosium
Dy is the symbol of dysprosium.
- 326.
What is the atomic number of dysprosium?
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Answer: B. 66
Dysprosium has 66 protons, so its atomic number is 66.
- 327.
Which element has the atomic number 66?
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Answer: A. Dysprosium
Atomic number 66 belongs to dysprosium (Dy).
- 328.
What is the chemical symbol of holmium?
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Answer: C. Ho
The symbol of holmium is Ho.
- 329.
Which element has the chemical symbol Ho?
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Answer: C. Holmium
Ho is the symbol of holmium.
- 330.
What is the atomic number of holmium?
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Answer: B. 67
Holmium has 67 protons, so its atomic number is 67.
- 331.
Which element has the atomic number 67?
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Answer: B. Holmium
Atomic number 67 belongs to holmium (Ho).
- 332.
What is the chemical symbol of erbium?
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Answer: A. Er
The symbol of erbium is Er.
- 333.
Which element has the chemical symbol Er?
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Answer: C. Erbium
Er is the symbol of erbium.
- 334.
What is the atomic number of erbium?
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Answer: B. 68
Erbium has 68 protons, so its atomic number is 68.
- 335.
Which element has the atomic number 68?
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Answer: C. Erbium
Atomic number 68 belongs to erbium (Er).
- 336.
What is the chemical symbol of thulium?
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Answer: C. Tm
The symbol of thulium is Tm.
- 337.
Which element has the chemical symbol Tm?
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Answer: B. Thulium
Tm is the symbol of thulium.
- 338.
What is the atomic number of thulium?
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Answer: B. 69
Thulium has 69 protons, so its atomic number is 69.
- 339.
Which element has the atomic number 69?
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Answer: B. Thulium
Atomic number 69 belongs to thulium (Tm).
- 340.
What is the chemical symbol of ytterbium?
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Answer: D. Yb
The symbol of ytterbium is Yb.