Consider sodium oxide, Na2O. Choose the best explanation for the subscript, 2, from the list provided.

How are the helium atoms in a glass model different from real atoms

It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents 79.0% of all magnesium atoms, Mg-25 accounts for 10.0%, and Mg-26 is the remaining 11.0%. If you have 226.

Salt are know as atom elements covalent compound ionic compound

Elements are classified by their?

What do nonmetals and metals seek to do when having full outermost shells? A: Nonmetals seek to lose electrons while metals seek to gain electrons. B: Nonmetals seek to lose protons while metals seek to gain protons.

Is it possible for a molecule only made up of hydrogen and carbon to be polar?

Calculate the number of moles of 2 g hydrogen gas

Copper and silver are examples that will form what bond

How many moles of barium hydroxide, Ba (OH2), would be required to react with 117 g hydrogen bromide, HBr?

Which carbon compound is soft, slippery, a decent electricity conductor, and bonded in a way that forms planes? coal petroleum graphite