Unit of heredity that determines a particular trait is known as

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

hypostyle hall;