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are elements of the same element that have a different due to a different number of
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Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Will mark brainliest how many electrons can be held in the energy level n = 4?
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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.
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are elements of the same element that have a different due to a different number of...
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