What is an ion and how does an atom become both positive or negative ion?

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?

Why is no-till farming more sustainable than many traditional methods of farming

How do you count the total number of atoms present on one side of a chemical equation?