Why argon (at. mass 39.94) has been placed before potassium (at. mass 39.10) in the periodic table?
Asked by varonika | 4th Aug, 2010, 12:00: AM
This is because modern periodic table is according to icnreasing atomic numbers. Since Ar has the atomic number 18 and potassium 19 so Argron is placed before K in the Modern periodic table.
Answered by | 5th Aug, 2010, 12:36: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number