Có những oxit sau: CaO, Fe2O3, SO3. Oxit nào có thể tác dụng được với: a) Nước.

b) Axit clohiđric.

c) Natri hiđroxit.

Viết các phương trình phản ứng.

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Using the periodic table, complete the table to describe each atom. type in your answers