Segun friedman la galaxia se encuentra en movimiento constante verdadero o falso

Which transition by an electron will release the greatest amount of energy? oa ob oc od

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Explain the difference in reactivity of the elements based on their electron configurations.