How many valence electrons does bromine (Br, atomic no. = 35 ) have?
A) 1
B) 7
C) 21
D) 28
E) 35
B
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If the 1967 Arab-Israeli war had not taken place, then
A. Palestinians would be Jordanian citizens. B. Israel would have allowed Palestinian refugees to return to Israel. C. Jerusalem would be the capital of a Palestinian state. D. there would have been no need for an Oslo Accord.
Common examples of sulfide and sulfate minerals, respectively, are:a
galena and pyrite. b. gypsum and anhydrite. c. galena and gypsum. d. galena and hematite. e. fluorite and pyrite
If the tilt of the earth's axis were to decrease from 23.5° to 13.5°,
A) summers would get cooler and winters would get warmer. B) both summers and winters would get warmer. C) summers would get warmer and winters would get colder. D) both summers and winters would get cooler.
Contrast Soviet and post-Soviet migration patterns within the Russian domain, and discuss the changing forces at work
What will be an ideal response?