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Plating a metal onto a (cathodic) surface by electrolysis.

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Heterogeneous Catalyst

A catalyst that exists in a different phase (solid, liquid or gas) from the reactants, a contact catalyst.

Nodal Plane

A region in which the probability of finding an electron is zero.

 

Chemistry of the sky

Chemistry can teach us about the composition of celestial bodies and determine their age.

Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

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.

Ketone

Compound in which a carbonyl group is bound to two alkyl or two aryl groups, or to one alkyl and one aryl group.

Hard Water

Water containing Fe3+, Ca2+, and Mg2+ ions, which forms precipates with soap.

Exothermic

Describes processes that release heat energy.

Molecular Orbital Theory

A theory of chemical bonding based upon the postulated existence of molecular orbitals.

Bronsted-Lowry Base

A proton acceptor