Which statement did Niels Bohr make about atoms?

A. The atom is made up of smaller particles.

B. The energy of an electron depends on its specific orbit.

C. The atom has a small, dense center.

D. Atoms are different for different elements.

When you ride your bike uphill, where does the energy you use come from

Which type of mountain forms because of two oceanic plates colliding?

Which example involves the transformation of chemical energy directly into light energy?

You move a 3N object 15 meters. Find work.

Metallic bonds are: A. bonds holding together atoms with somewhat similar electronegativities. B. bonds holding together two atoms of the same kind of metal. C. bonds holding together two atoms of two different nonmetals. D.

According to the law of universal gravitation, as mass increases, gravity As distance increases, gravity

You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sofia, with mass 80.0 kg, is given a push and slides eastward. Elena, with mass 55.0 kg, is sent sliding northward.

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy