निम्नलिखित प्राचीन भारतीय दार्शनिकों में से किसने सर्वप्रथम यह प्रतिपादित किया था कि ब्रह्मांड का प्रत्येक पदार्थ अत्यंत सूक्ष्म कणों (अणु) से मिलकर बना है?

Which postulate of Dalton's Atomic Theory was proven incorrect by the discovery of subatomic particles?

What is the correct chemical symbol for a species containing 20 protons, 18 electrons, and 22 neutrons?

Which of the following sets of quantum numbers are permissible? (J) n = 3, ℓ = 3, m = 2, s = +12 (K) n = 2, ℓ = 2, m = 1, s = -12 (L) n = 1, ℓ = 0, m = 0, s = -12 (M) n = 3, ℓ = 2, m = 1, s = -12 Choose the correct option: