True or False: If you have a covalent compound, the first element written in the formula will always be a nonmetal

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass