Answer:
If you mean Lewis dot diagrams, aka electron-dot diagrams, then these are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule.
Explanation:
Answer:
For the first one, its B) cities B and C
I'm not so sure, but I hope this helps.
Average speed=total distance traveled/time. Total distance=the sum of the two short distances=79*2+77*3=389 km. Total time used to travel is 2+3=5 hr. Average speed is 389/5=77.8 km/hr.
The SI unit of length or distance is the meter.
Chemical phenomenon by virtue of which a body or compound is transformed by the action of an oxidant