Chemistry Year 11 Notes -

Alex smiled. He turned to the back of his notebook in his mind—page 42. A stick figure melting into a puddle. Caption: “Heat gives particles energy. They vibrate. They escape. Solid becomes liquid. No magic. Just physics in slow motion.”

A sketch of two nerdy atoms sharing a single pair of glasses. Caption: “Sharing is caring.” Right. Covalent bonds share electrons. Water, oxygen, methane—all just atoms playing nice because neither wants to lose or gain. Sharing keeps them stable. chemistry year 11 notes

The next day, the exam had a question: “Explain, using particle theory, why a solid melts when heated.” Alex smiled

He wrote his answer. He passed.

A battlefield. Reactants on the left, products on the right. A tiny general shouting: “WHAT YOU START WITH, YOU END WITH!” Conservation of mass. You can’t create or destroy atoms—just rearrange them. Alex had written: “Coefficients are your friends. Subscripts are lies (don’t change them).” Caption: “Heat gives particles energy