The odometer of a car reads 2000km at the start of at trip and 2400km at the end of the trip. if the trip took 8h. calculate tge average speed of the car in km/h and m/s.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

it has to be b, about 97 percent.

option number c is the right answer.