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

It’s known that water consists of atoms of molecules of oxygen and hydrogen. Since any compound with oxygen indicates the ability of the substance...

Different forms of the same element in the same physical state.

A rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb, at. wt.: 173.04, at. no.: 70, sp. gr.:...

Covalent bond in which electron density is symmetrically distributed.

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Nuclide that undergoes nuclear decay.

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.

Metal with low ionization energy that loses electrons readily to form cations.

Decomposition by heating a substance in the presence of a catalyst and in the absence of air.