Everyday Science MCQs (page 11 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 201–220.
- 201.
What is the chemical symbol of bromine?
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Answer: C. Br
The symbol of bromine is Br.
- 202.
Which element has the chemical symbol Br?
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Answer: D. Bromine
Br is the symbol of bromine.
- 203.
What is the atomic number of bromine?
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Answer: C. 35
Bromine has 35 protons, so its atomic number is 35.
- 204.
Which element has the atomic number 35?
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Answer: A. Bromine
Atomic number 35 belongs to bromine (Br).
- 205.
What is the chemical symbol of krypton?
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Answer: C. Kr
The symbol of krypton is Kr.
- 206.
Which element has the chemical symbol Kr?
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Answer: A. Krypton
Kr is the symbol of krypton.
- 207.
What is the atomic number of krypton?
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Answer: B. 36
Krypton has 36 protons, so its atomic number is 36.
- 208.
Which element has the atomic number 36?
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Answer: D. Krypton
Atomic number 36 belongs to krypton (Kr).
- 209.
What is the chemical symbol of rubidium?
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Answer: C. Rb
The symbol of rubidium is Rb.
- 210.
Which element has the chemical symbol Rb?
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Answer: C. Rubidium
Rb is the symbol of rubidium.
- 211.
What is the atomic number of rubidium?
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Answer: C. 37
Rubidium has 37 protons, so its atomic number is 37.
- 212.
Which element has the atomic number 37?
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Answer: B. Rubidium
Atomic number 37 belongs to rubidium (Rb).
- 213.
What is the chemical symbol of strontium?
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Answer: B. Sr
The symbol of strontium is Sr.
- 214.
Which element has the chemical symbol Sr?
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Answer: D. Strontium
Sr is the symbol of strontium.
- 215.
What is the atomic number of strontium?
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Answer: A. 38
Strontium has 38 protons, so its atomic number is 38.
- 216.
Which element has the atomic number 38?
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Answer: D. Strontium
Atomic number 38 belongs to strontium (Sr).
- 217.
What is the chemical symbol of yttrium?
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Answer: B. Y
The symbol of yttrium is Y.
- 218.
Which element has the chemical symbol Y?
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Answer: D. Yttrium
Y is the symbol of yttrium.
- 219.
What is the atomic number of yttrium?
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Answer: C. 39
Yttrium has 39 protons, so its atomic number is 39.
- 220.
Which element has the atomic number 39?
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Answer: D. Yttrium
Atomic number 39 belongs to yttrium (Y).