An atom has 11 protons, 10 electrons and 13 neutrons. Is this a cation or an anion? a. An anion because the overall charge is -1.
b. A cation because the overall charge is +3.
c. A cation because the net charge is +1.
d. An anion because the overall charge is -2.

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?