🔬 Science · Unit 9

Matter

6 topics, with notes, question answers, exercises and tests.

The Atom · परमाणु (Atom)Molecular Formula · आणविक सूत्र (Molecular formula)Molecular Weight of a Molecule · अणुहरूको आणविक भार (Molecular weight of molecule)Classification of Elements · तत्त्वहरूको वर्गीकरण (Classification of elements)The Idea of Groups and Periods in the Modern Periodic Table · आधुनिक पेरियोडिक तालिकामा ग्रुप र पिरियडको अवधारणा Chemical Reaction and Chemical Equation · रासायनिक समीकरण (Chemical reaction)