Aluminum has 13 energy levels. How many electrons are found in the outermost energy level for this atom? Which energy level is the outermost?

When you speak or sing, you force air through your?

6. Narcotics are illegal drugs A. O True B. O False

Most metallic ores are produced by which two of processes? a) Metamorphic and Sedimentary b) Igneous and Metamorphic c) Igneous and Sedimentary d) Cementation and Compaction

An archer wishes to shoot an arrow at a target at eye level a distance of 50.0m away. If the initial speed imparted to the arrow is 70.0m/s, what angle should the arrow make with the horizontal as it is being shot? Physics

car accelerates from 10m/s to 25m/s in 6.0s what is its acceleration? how far did it travel in this time? assume constant acceleration

What are the two types of surface waves? How are they different and which one would cause more damage? Explain.

What causes a regular reflection?

43.278 kg - 28.1 g use significant figures rule

What describes the movement of a fluid during convection?

Inductors in parallel. Two inductors L1 = 1.31 H and L2 = 2.24 H are connected in parallel and separated by a large distance so that the magnetic field of one cannot affect the other. (a) Calculate the equivalent inductance.