Molecules are held together by electrons shared between bonded atoms. For example, consider the formation of an H2 molecule from two separate hydrogen atoms: 2 approachinghydrogen atoms(2 H) a hydrogen molecule(H2) As the two atoms approach, each nucleus begins to attract the other atom's electrons.
Definition of Hyphomycetes. in some classifications. : a subclass of fungi coextensive with the order Moniliales or including both the Moniliales and the Mycelia Sterilia.
Hyphomycetes (subdivision Deuteromycotina) A class of imperfect fungi in which the vegetative stage is typically a well-developed mycelium. In some species the sexual states are unknown; others are the conidial states (see CONIDIUM) of fungi classified in other (true) subdivisions. There are about 1000 genera.