Answer: C.) Xe
Explanation: To figure out the answer go to the Noble Gas Family and count down 5 elements.
The answer is A. Hope this helps
Answer:
Conditioning two or three times will insure that the concentration of titrant is not changed by a stray drop of water.
Explanation:
"Check the tip of the buret for an air bubble. To remove an air bubble, whack the side of the buret tip while solution is flowing".
Answer:
B
C
Explanation: they both are things that we understand but dont know how they are fully made of.