Chemistry, 13.01.2021 21:00 amandaaarmentaa
28. Students in a science class prepared flash cards so that they could quiz one
another about the arrangement of the periodic table. One of the flash cards
contained information about two elements, Element Land Element M.
Atoms of Element Mhave two more
valence daction than atoms of Element
- Atoms of Elementare more active than
stoms of Element M
- Soth demente metal
The students had to use the information on the flash card to determine possible
positions of the two elements on a blank periodic table. Which periodic table
has the elements placed in locations that match the information on the flash
card?
F
H
N
G
Answers: 3
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Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
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How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene
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28. Students in a science class prepared flash cards so that they could quiz one
another about the...
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