Where do the electrons on a hydrogen atom spend most of their time when they are combined with oxygen in a water molecule

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied