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Group VIIA elements: F, Cl, Br, I

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Saccharic

of or derived from saccharin or a saccharine substance.

 

Mass Number

The sum of the numbers of protons and neutrons in an atom, an integer.

Meniscus

The shape assumed by the surface of a liquid in a cylindrical container.

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Anion

A negative ion, an atom or goup of atoms that has gained one or more electrons.

 

Sulfuric Acid

H2SO4: colorless, oily liquid, boiling point 330C. A 96 percent solution is used in the laboratory.

Fire Hazard: This is a very powerful, acidic oxidizer which can Ignite or even explode on contact with many materials, i.e. acetic acid ,acetone+ HNOs, alcohols, + H202, NH4OH, HCL, NaOH, and others.

Sulfuric acid has a wide range of uses and plays a part in the production of nearly all manufactured goods.

Deuterium

An isotope of hydrogen whose atoms are twice as massive as ordinary hydrogen,deuterion atoms contain both a proton and a neutron in the nucleus.

Bronsted-Lowry Acid

A proton donor.

Copper

Discovered : known to ancient civilisations
Origin : The name is derived from 'Cuprum', the Latin name for Cyprus.

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.