About Periodic Table Quiz #842
Periodic Table Quiz #842 was the quiz for Thursday, October 22, 2026: 10 questions: 2 easy, 3 medium and 5 hard. Everyone who played Periodic Table Quiz that day got the same quiz, and it stays here to play for 60 days.
The questions of Periodic Table Quiz #842
- What is the chemical symbol for copper?
- What is the chemical symbol for mercury?
- Which element has the chemical symbol P?
- Which element is named after the Sun?
- Which element is added to many toothpastes to help prevent tooth decay?
- Which element has the chemical symbol W?
- Which element has the atomic number 110?
- What is the chemical symbol for roentgenium?
- What is the chemical symbol for bohrium?
- Which element has the atomic number 32?
The answer options and the answers appear only when you play the quiz, one question at a time.
New to Periodic Table Quiz? The rules, tips and common questions are on the Periodic Table Quiz page, and Periodic Table Memory Tips for the Quiz goes into strategy.
Other days of Periodic Table Quiz
- Periodic Table Quiz #845, Oct 25
- Periodic Table Quiz #844, Oct 24
- Periodic Table Quiz #843, Oct 23
- Periodic Table Quiz #841, Oct 21
- Periodic Table Quiz #840, Oct 20
- Periodic Table Quiz #839, Oct 19
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.