As the elements in period 2 of the periodic table are considered in succession from left to right, there is a decrease in atomic radius with increasing atomic number. this may best be explained by the fact that the
a. number of protons increases, and the number of shells of electrons remains the same
b. number of protons increases, and the number of shells of electrons increases
c. number of protons decreases, and the number of shells of electrons remains the same
d. number of protons decreases, and the number of shells of electrons increases
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Compare and contrast physical changes with chemical changes.
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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.
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As the elements in period 2 of the periodic table are considered in succession from left to right, t...
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