General chemistry

General chemistry

Industry: Chemistry

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General chemistry

Molecular mass

Chemistry; General chemistry

The combined mass (as given on the periodic table) of all the elements in a compound.

Nm

Chemistry; General chemistry

An abbreviation for nanometers. A nanometer is equal to 10-9 meters.

Neutron

Chemistry; General chemistry

A particle found in the nucleus of an atom and is almost identical in mass to a proton, but carries no electric charge.

Bohr's atom

Chemistry; General chemistry

Bohr made significant contributions to the atom. He understood the line spectra-- the reason why only certain wavelengths are emitted when atoms jump down levels.

After separating from graphite, graphene is the world's thinnest and strongest material. This one-atom, carbon-based material can conduct electricity and heat; its density provides great strength. ...

test tube stand

Chemistry; General chemistry

A small wooden stand with perforated holes to hold test tubes.

Meitnerium

Chemistry; General chemistry

A chemical element in the periodic table that has the symbol Mt and atomic number 109. It is placed as the heaviest member of Group 9 (or VIII) in the periodic table but fairly stable isotope is not ...