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Which is the first element in the periodic table to have electron configuration in the fourth energy level?
Carbon
beryllium
potassium
titanium
Answers: 3
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The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
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Which is the first element in the periodic table to have electron configuration in the fourth energy...
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