What is the 18th element of periodic table?
Explain with atomic weight.
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Answered by
1
Answer:
Chemistry : List of Periodic Table Elements Sorted by → Atomic number
No. Atomic weight Name
17 35.453 Chlorine
18 39.948 Argon
19 39.098 Potassium
20 40.078 Calcium
Answered by
0
Answer:
Argon
Explanation:
Argon is a chemical element in the eighteen group of the periodic table. It is a noble gas, and it is the third most abundant gas in earth’s atmosphere.39.948 u
Argon/Atomic mass
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