Atom Structure Models is an important topic in the Chemistry section in TS EAMCET exam. Practising this topic will increase your score overall and make your conceptual grip on TS EAMCET exam stronger.
This article gives you a full set of TS EAMCET PYQs for Atom Structure Models with explanations for effective preparation. Practice of TS EAMCET Chemistry PYQs including Atom Structure Models questions regularly will improve accuracy, speed, and confidence in the TS EAMCET 2026 exam.
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TS EAMCET PYQs for Atom Structure Models with Solutions
1.
The energy of second orbit of hydrogen atom is -5.45x10-19 J. What is the energy of first orbit of Li2+ ion (in J)-1.962x10-18
-1.962x10-17
-3.924x10-17
-3.924x10-18
2.
The uncertainty in the determination of the position of a small ball of mass 10 g is \(10^{-33}\) m. With what \% of accuracy can its speed be measured, if it has a speed of 52.5 m s\(^{-1}\)?- \( 1.0\% \)
- \( 20\% \)
- \( 10\% \)
- \( 2.0\% \)
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3.
The number of electrons with (n+1) values equal to 3,4 and 5 in an element with atomic number (z) 24 are respectively (n = principal quantum number and l = azimuthal quantum number)
7,8,5
6,8,6
8,7,5
8,8,5
4.
The wavenumber of the first spectral line of the Lyman series of He\(^+\) ion is \( x \) m\(^{-1}\). What is the wavenumber (in m\(^{-1}\)) of the second spectral line of the Balmer series of Li\(^{2+}\) ion?- \( \frac{9x}{16} \)
- \( \frac{16x}{9} \)
- \( \frac{8x}{27} \)
- \( \frac{27x}{8} \)
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