Board Exam · Mock test
Mendeleev and the Modern Law: Practice Paper
A board-style paper: 15 questions in 20 minutes. Mendeleev's gaps and swaps, isotopes, hydrogen's place, and finding an element's period and group. Every answer has a worked solution that names the usual slip.
ChemistryHigh School (9–10)General
- right / wrong
- +1 / 0
right / wrong
The clock starts when you press Begin, after the instructions.