An atom that no longer has a beutral charge is called a(

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?