Iron atoms have been detected in the sun's outer atmosphere, some with many of their electrons stripped away. what is the net electric charge (in coulombs) of an iron atom with 26 protons and 7 electrons? be sure to include the algebraic sign (+ or −) in your answer.

According to the tide table below what time of day will the highest tide occur?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.