When copper ions complex with ammonia, the solution turns deep blue.

The complexness of the legal code made it difficult for ordinary citizens to understand their rights.

When planning the merger, she carefully considered the legal complexities.

The researchers compared several complexes to determine which one best facilitated electron transfer.

The architect complexes the design to test the engineers' problem-solving skills.

The engineer complexed the design to accommodate new features.

The complexed iron exhibited different spectral properties compared to the free ion.

The scientist observed the ligand complexing with the metal under the microscope.

The complexing of the metal ion with the ligand dramatically changed its spectroscopic properties.

The chemist's notes described several complexings that occurred during the titration.