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Tardigrade
Question
Chemistry
Which of the following is true about the element with atomic number 18 ?
Q. Which of the following is true about the element with atomic number 18 ?
2081
188
Classification of Elements and Periodicity in Properties
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A
It has a very low ionisation potential
11%
B
It has a very high electron affinity
19%
C
Its molecules are monoatomic
55%
D
Its electronegativity is very high
15%
Solution:
Element with atomic number 18 is Noble gas (Ar)