Atomic Keys 🔖

: In a neutral atom , the number of protons equals the number of electrons. If there is an imbalance, the atom becomes an ion .

: Electrons are significantly smaller than nucleons and are primarily responsible for chemical bonding and reactivity . Key Metrics and Concepts Atomic Keys

: Modern theory posits that matter is composed of these discrete units, as established by pioneers like John Dalton , who proposed that atoms combine in fixed ratios to form compounds. Scientific Reporting and Application : In a neutral atom , the number