Suppose an element had an atomic number of 52. How many protons would that element have?

One 2) Ben stands on a bathroom scale, whose force (spring) constant is 220 kN/m. How far is the spring scale compressed if Ben has a mass of 180kg?

What do the kidneys do if pH levels are too high or too low in the blood? A. They release substances into the blood to neutralize the pH levels. B. They filter the blood so that all substances in the blood are flushed out of the system. C.

The part of a longitudinal wave that is least dense is called a (n) rarefaction refraction contraction compression

A proton is placed in an electric field of intensity 700 n/ c. what is the magnitude and direction of the acceleration of this proton due to this field?

What galaxies would you most likely find at the center of a large cluster of galaxies?

What type of wave passes through the spring in the frog toy? Why?

Different kinds of substances have different properties of metals

Magma appears to be rising underneath the mid-oceanic ridges. a. True b. False

The energy required to crack a material

two punds of water vapor at 30 psia fill the 4ft3 left chmaber of a partitioned system. The right chmaber has twice the volume of the left and is initially evacuated.