How would you describe a heavy element to someone who doesn't know what it is?

When four atomic orbitals are mixed to form hybrid orbitals, how many hybrid orbitals are formed?

Which part of a telescope focuses the incoming light? I thought it was the mirror but people are telling me I am wrong?

Covalent bonds are characterized by ... a. the sharing of electrons b. the transfer of electrons c. the gain of electrons d. the loss of electrons

According to the photoelectric effect, ultraviolet light will strip electrons away from a zinc plate. However, no amount or brightness of visible light will do this.

A truck with a mass of 1400 kg and moving with a speed of 14.0 m/s rear-ends a 641-kg car stopped at an intersection.

What is the definition of "potential energy"? A. Energy that is developed by an object while it's in motion B. The energy that a piece of matter has because of its position or because of the arrangement of parts C. An object that stays at rest D.

How does the current in a circuit change if the resistance is doubled?

Three particles are placed in the xy-plane. A 30 g particle is located at (3 m, 4 m), and a 40 g particle is located at (2 m, 2 m).

Your tennis ball rolls off a 0.91m tall table and hits 0.25m out from the table. What is it's time in the air? What is its vertical velocity before hitting the ground (show work)

If two forces of equal magnitude act on an object that is hinged at a pivot, the force acting farther from the pivot must produce the greater torque about the pivot.