Chemical Formulas
Welcome! In this lesson, we will learn about chemical formulas.
Summary
Chemical Formulas
Subscripts (numbers):
H₂O → 2 hydrogen atoms, 1 oxygen atom
CO₂ → 1 carbon atom, 2 oxygen atoms
Ionic Compounds:
Na⁺ + Cl⁻ → NaCl
Mg²⁺ + Cl⁻ → MgCl₂
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