Question

Which conditions are required for nuclear fusion to begin? A. The gas cloud must be very dense. B. Gravitational attraction must stop. C. Atoms must be stripped of their electrons. D. Helium atoms must break down into hydrogen. E. Temperatures must exceed 14 million Kelvin.

Answer 1

Explanation:

Condition which is not required for formation of a coordinate bond is_

A). One of the atoms must have one or more lone pair electrons.

B). one of the atoms must be deficient of one or more lo e pair of electrons.

C). one atom must be of a metal and another must be of a non metal

D). a pair of electrons must be shared between two atoms but provided by one of the atom.