Que atomo es mas grande entre el atomo de Magnesio y el atomo de arsenico? Justificar.

Heat is the total potential energy of a substance that can be transferred. true false

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?

Of the following elements, which is the least reactive? a. c b. h c. li d. he