Well Mendeleev<span> predicted the existence and properties of elements that werent discovered at the time</span>
Because their molecules are more tightly packed. Massdensity = ---------- Volume
So more densely packed molecules means more mass per unit volume. Hence metals are denser than non-metals.
Answer:
Plasma
Explanation:
Mostly this occurs at very high temperatures that cause atoms to lose electrons. Plasma is therefore a gas but of ions. Plasma can conduct electricity and can be influenced by magnetic fields. Plasma occurs mostly in stars where it is the dominant state of matter.
