Which of these elements has the highest electronegativity A) lithium
B) nitrogen
C) potassium
D) arsenic
E) beryllium

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Amixture with the same composition throughout is!