What is the nuclear charge of an atom with a mass of 23 and an atomic number of 11?

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

How are the terms group and period used on the periodic table

What are the similarities between compounds and mixtures?