Understanding Atomic Molecules and Examples

Here's a simple explanation of atoms and molecules

Atom An atom is the smallest part of a material (substance) that still retains the properties of that substance.

Atomic structure:

Protons (+) → produce a positive charge Neutrons (0) → have no charge Electrons (-) → carry negative charges and their surroundings

Examples:

Oxygen atoms (O), hydrogen atoms (H)

Molecules A molecule is a combination of two or more atoms bonded together.

Example:

Water = H₂O → consists of 2 hydrogen atoms + 1 oxygen atom Oxygen = O₂ → 2 frozen oxygen atoms

Main Differences Atom Molecule Smallest particle Combined atoms Stand alone Bonded to each other

Examples:

O, H Examples: H₂O, CO₂ 💡 Analogy to Make It Easy Atom = like a letter Molecule = like a word made of letters

Example:

H + O → like a letter H₂O → like the word "water"​

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