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Which description best characterizes the motion of particles in a solid?
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As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
The chemical activity of an atom depends mostly on its
(a) electrons.
(b) protons.
...
(a) electrons.
(b) protons.
...
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