If the electron configuration of an element is 1s22s22p63s23p5, the element is
1 answer:
Chlorine because that element has 17 electrons
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From another answer, it is most likely E. Horizon. Hope this helps!
Answer:
Q1 is A.
Q2 is right
Q3 is D.....I dont
really know about this one
Q4 is right
100 mL graduated cylinder because the device is more precise.
25 x 10.5 = 262.5
So the approx. is 260 g which is answer D.
Answer:NH4NO3
Explanation: