Educere

Ficha con una sopa de letra con los nombres de los elementos del grupo 1 y grupo 2 de la tabla periódica para buscar.

 

Iodine fuming is one of the oldest forensic techniques used to develop latent fingerprints but it is also one of the easiest. Students will learn how to fume iodine crystals that are readily available ...

Have you ever noticed that sometimes certain shirts and jeans, especially when they are navy blue or black, tend to look duller after they’ve been laundered a few times?The term colorfastness describe ...