Why is Rutherford’s gold foil experiment famous?
What did firing alpha particles at gold tell us?
What is the significance of Bohr’s atomic model?
Why is it still taught?
Why are electrons not pulled into the nucleus?
If opposite charges attract, why don’t electrons crash into protons?
What’s the simplest way to balance a chemical equation?
Students often struggle with balancing equations — any tricks?
Why do magnesium ribbons burn with a bright light?
Why is it so dazzling?
Why does milk turn sour in summer?
Is it a chemical or physical change?
What are redox reactions in daily life?
Are rusting and respiration redox processes?
Why do effervescent tablets fizz in water?
Why do bubbles form instantly?
What’s the difference between endothermic and exothermic reaction...
Can you give real-life examples?
Why does iron rust faster in coastal areas?
Is saltwater responsible?
What is the role of a catalyst?
How does a catalyst speed up a reaction?
Why do we apply paint on iron objects?
Is it just for looks?
Why do we get energy from food?
How is digestion a chemical process?
Why did Mendeleev leave gaps in his periodic table?
Wasn’t it incomplete?
Why are noble gases placed separately?
Helium, neon, argon — why isolated?
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