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"Greetings Cadet! I'm Cyber-Bot JR. Time to blast off into learning!"

Year 11 Chemistry | Fun Learning Quest for Kids

Navigate through the stars and solve galactic mystery puzzles in your personal space station!

Launch Mission! 🚀
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12k+ Young Explorers
year-11-chemistry-acara-2026-exam

✨ Magical Challenges ✨

Can you solve these mystery puzzles?

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Q1

Your side hustle app analyses soil samples for optimal fertiliser. A sample contains an element with 11 protons and 12 neutrons. What is the atomic number (Z) and mass number (A) of this isotope?

Q2

You're modelling a lithium-ion battery's performance. Lithium has two naturally occurring isotopes: ^6Li and ^7Li. If the average atomic mass of lithium is 6.94 amu, which isotope is more abundant?

Q3

While designing an AI sensor to detect gold in Western Australian mine tailings, you recall that gold's atomic number is 79. Which statement correctly describes a neutral gold atom?

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