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Applied Chemistry 1: Atomic and Molecular Structure
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Applied Chemistry 1: Atomic and Molecular Structure
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25 Questions

1. When O2 changes to O2 - , the electron goes to which of the orbitals?
2. Within an atom, the nucleus when compared to the extra nuclear part is
3. MX6 is a molecule with octahedral geometry. How many X - M - X bonds are at 180°?
4. Which of the following pairs has the same bond order?
5. A gas X has Cp and Cv ratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms
6. Which of the molecules does not have a permanent dipole moment?
7. Each P of P4O10 is attached to how many oxygen atoms?
8. The electronic configuration of an atom having atomic number 20 is
9. The formal charge and P-O bond order in PO43- respectively are
10. Electronic configuration of the outer shell of the element Gd with atomic number 64 is
11. Find the paramagnetic species
12. How are the subshells in an atom labelled?
13. Find the pair with sp2 hybridisation of the central molecule
14. Who is credited with the discovery of electron?
15. Which of the following is not paramagnetic?
16. An atom has a mass number of 37 and atomic number 17. How many protons does it have?
17. Which of the following determines the chemical properties of an element?
18. Find the molecule with the maximum dipole moment
19. How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m1 = 0 ?
20. Which of the following is true about a charged atom?
21. The isotopes of neutral atoms of an element differ in
22. The excitation energy of a hydrogen atom from its ground state to its third excited state is
23. A 0.66 kg ball is moving with a speed of 100 m/s. Find its wavelength
24. What would be the atomic number of the element in whose atom the K and L shells are full?
25. pℼ - dℼ bonding is present in which molecule

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