Chemistry, asked by rutvi6b32, 8 hours ago

What is the 18th element of periodic table?
Explain with atomic weight.​

Answers

Answered by rahul669472
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 karkigaming1236
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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