¿Qué características PARTICULARES comparten los elementos del grupo 5, por las cuales se diferencian de los demás? (de la tabla periódica)

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?