16-18= -2 so it has a negative charge. Just subtract the electrons from the protons if you get a positive number it will have a positive charge and vice versa.
When you say mhello les do uou mean moecules
I can =335ml
2cans=?
2cans×335ml÷1
= 670ml
The arrows represent the movement of starting substances
Answer:
compound light microscope
