Answer:
Mass and Velocity
Explanation:
hope this is the right answer might wrong tho
From rocks and lava and earthquakes
<span>The representative particle for silicon is atom of silicon.
</span>Representative particles can be atoms, molecules, formula units or ions. Representative particles depend on the nature of the substance. Silicon is chemical element made of atoms.
For sodium chloride (NaCl) for example, representative particles are ions.
It might be 40 total needed electrons
