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The total pressure exerted by a mixture of gases is the sum of the partial pressures of the individual gases.

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Diamagnetism

Weak repulsion by a magnetic field.

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Charle's Law

At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.

Crystal Lattice

A pattern of arrangement of particles in a crystal.

xanthate

A salt or ester of xanthic acid. Many xanthates have a yellow color. Xanthates are used as flotation agents in mineral processing.

Artificial Transmutation

An artificially induced nuclear reaction caused by the bombardment of a nucleus with subatomic particiles or small nucei.

Dispersed Phase

The solute-like species in a colloid.

Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

Insoluble Compound

A very slightly soluble compound.

Radioactivity

The spontaneous disintegration of atomic nuclei.