Group the following electron configurations in pairs that would represent elements with similar chemical properties.
a. 1s22s22p5
b. 1s22s1
c. 1s22s22p6
d. 1s22s22p63s23p5
e. 1s22s22p63s23p64s1
f. 1s22s22p63s23p64s23d104p6
1. (a) and (b)
2. (a) and (c)
3. (a) and (d)
4. (a) and (e)
5. (a) and (f)
6. (b) and (c)
7. (b) and (d)
8. (b) and (e)
9. (b) and (f)
10 (c) and (d)
11. (c) and (e)
12. (c) and (f)
13. (d) and (e)
14. (d) and (f)
15. (e) and (f)
Answers: 1
Chemistry, 22.06.2019 06:30, yolo123321
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
Answers: 1
Chemistry, 22.06.2019 14:00, coylenoah0
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