Asked by Master

whats a molecule

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Answered by GPT-5 mini AI
A molecule is a group of two or more atoms held together by chemical bonds so they act as a single unit. Most commonly those bonds are covalent (atoms share electrons). Molecules are usually electrically neutral (e.g., H2, O2, H2O, CO2, CH4).

Quick clarifications:
- An atom is a single unit (a single element). A molecule is made of atoms bonded together.
- A compound is a substance made of two or more different elements; many compounds are molecular (like water, H2O), but some substances (like table salt, NaCl) form ionic lattices rather than discrete molecules.
- Molecules have formulas (H2O) and structures/geometry (bent for H2O), and properties like molecular mass.

If you want, I can show common examples, draw simple structural formulas, or explain how different bonds (single/double/triple) affect molecule shape and properties. Which would you like?