Chemical symbols on the periodic table represent an element.
Answer: D. Na
Answer:
The total number of electrons in a valence shell is called valence electrons. The electron configuration of rubidium shows that the last shell of rubidium has an electron. Therefore, the valence electrons of rubidium(Rb) are one.
All matter is made of atoms.
Atoms bond together in certain ways.
Carbon atoms have a specific mass.
I believe that the ice cube, being that it still has almost all of its properties, would still have a mass of 25 g after melting
