Answer these ! 23 points! 1. why is hydrogen set apart by itself? 2. how do valence electron configurations of the alkali metals compare with each other? 3. why are the alkaline-earth metals less reactive than the alkali metals? 4. in which groups of the periodic table do the transition metals belong? 5. what properties do the halogens have in common?
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Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
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Chemistry, 21.06.2019 22:30
This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry
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Chemistry, 22.06.2019 04:30
What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers
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Answer these ! 23 points! 1. why is hydrogen set apart by itself? 2. how do valence electron conf...
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