Answer:
There are main six noble gases in the periodic table. The filling of 4f-orbitals occurs after 6s orbitals. The noble gas that belongs to the sixth period is Radon. Its electronic configuration is [
X
e
]
6
s
2
4
f
14
5
d
10
6
p
6 .
Therefore, the name of noble gas is Radon.
The answer should be True :)
Answer:c
Explanation:because the light is hitting the Earth straight on without a slant or without all the light, it is the most direct
Answer: It is important to wet the filter paper in the Buchner funnel first with cold re crystallization solvent before the re crystallization mixture being filtered to minimize gaps around the edges of the filter paper which can prevent mechanical impurities from passing through. This gives better filtration where most impurities can be filtered. Furthermore, it provides good vacuum.
