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High tides occur simultaneously at all coastlines around the world,except for minor effects on bays.
Atom
The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, with electrons orbiting this nucleus.
Molecule
The smallest unit of a chemical compound that can exist independently while retaining the composition and chemical properties of the compound.
Cis-trans Isomers
Isomers that differ in their spatial arrangement of groups around a double bond or within a ring, affecting the physical and chemical properties of the molecules.
Constitutional Isomers
Molecules that have the same molecular formula but different connections among their atoms.
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