General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, ...
PSEB Class 11 Chemistry Syllabus: The Punjab Board’s Class 11 Chemistry Syllabus for 2024-2025 mentions the detailed list of chapter-wise topics and contents of practical examination. The syllabus ...
The Bohr model, introduced by Danish physicist Niels Bohr in 1913, was a key step on the journey to understand atoms. Ancient Greek thinkers already believed that matter was composed of tiny basic ...
Atoms are made up of a nucleus, protons and electrons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Atoms are the basic units of matter.