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The solvent-like phase in a colloid.

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Net Ionic Equation

Equation that results from canceling spectator ions and eliminating brackets from a total ionic equation.

Octet Rule

Many representative elements attain at least a share of eight electrons in their valence shells when they form molecular or ionic compounds, there are some limitations.

Equivalent Weight

An oxidizing or reducing agent, who's mass gains (oxidizing agents) or loses (reducing agents) 6.022 x 1023 electrons in a redox reaction.
The mass of an acid or base that furnishes or reacts with 6.022 x 1023 H3O+ or OH- ions.

Double Bond

Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.

Aldehyde

Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H

 

Heat of Fusion

The amount of heat required to melt one gram of solid at its melting point with no change in temperature. Usually expressed in J/g. The molar heat of fusion is the amount of heat required to melt one mole of a solid at its melting point with no change in temperature and is usually expressed in kJ/mol.

Matter

Anything that has mass and occupies space.

Double Salt

Solid consisting of two co-crystallized salts.

 

Melting Point

The temperature at which liquid and solid coexist in equilibrium, also the freezing point.