The Periodic Mastery

Which of the following statements is/are correct for an isolated system?

1. At equilibrium, entropy is maximum.
2.For any spontaneous process, ΔS_universe > 0.
3. Gibbs free energy change (ΔG) is always zero.
4. Temperature and pressure remain constant during any process.

1 day ago | [YT] | 4

The Periodic Mastery

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6 days ago | [YT] | 6

The Periodic Mastery

As you all know, the exam date has been postponed.
Now I want to plan the best test strategy for you from 1 January.

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Vote honestly so I can design the test series exactly as per your need.

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2 weeks ago | [YT] | 2

The Periodic Mastery

📢 Important Update for MPSET Aspirants

MPSET Exam has been POSTPONED
This is not a setback — it’s a golden opportunity to strengthen your preparation 💪

What’s coming next?
I am launching a CRASH COURSE along with a PYQ Series specially designed for MPSET (Chemical Sciences/Chemistry).

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2 weeks ago | [YT] | 7

The Periodic Mastery

Which of the following solutions will give a buffer?

1 month ago | [YT] | 1

The Periodic Mastery

Hello GSET Aspirants,
I couldn’t do much for you all, but within this short time, I tried my best to give you as much as possible.
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1 month ago | [YT] | 12

The Periodic Mastery

Dear GSET aspirants, I have completed uploading PYQs (2013–2024) for Physical, Inorganic, Analytical & Supramolecular Chemistry year-wise. Currently, I’m uploading Organic PYQs chapter-wise (only Pericyclic & Spectroscopy left).

After receiving many messages & comments, I want your opinion on the upcoming videos:

Should I start chapter-wise Physical & Inorganic PYQs too?

2 months ago | [YT] | 8

The Periodic Mastery

May Surya Dev and Chhathi Maiya bless you and your family with happiness, prosperity, and good health.
Let’s come together to celebrate faith, gratitude, and the beauty of nature.
May your days be filled with light and your hearts with positivity!

Happy Chhath Puja
By
The PM Family
#chhatpuja

2 months ago (edited) | [YT] | 12

The Periodic Mastery

In O₃⁻, the O–O bond order is:

2 months ago | [YT] | 5

The Periodic Mastery

May the festival of lights bring joy, wisdom, and positivity into your life! 🌟
On this beautiful occasion, let’s celebrate the triumph of light over darkness — not only around us but also within us.

At The Periodic Mastery, we wish all our learners, dreamers, and science enthusiasts a sparkling Diwali filled with curiosity, success, and happiness!

🪔 Stay bright. Stay inspired. Stay scientific.
🎇 Happy Diwali!

#HappyDiwali #ThePeriodicMastery #FestivalOfLights #ChemistryLovers #Diwali2025 #ScienceWithJoy

2 months ago | [YT] | 4