Chemistry – Class 11 Practice Test 2

1. Calculate the frequency of the wave whose wavelength is 10nm.

2. The ideal gases were in ____ group of Mendeleev's periodic table.

3. What's the atomic number of the element Copernicium?

4. The elements, Unnilhexium and Seaborgium are the same.

5. Total number of nodes for 3d orbital is ________

6. When an electron jumps from 3^rd orbit to 2^nd orbit, which series of spectral lines are obtained?

7. The p-block elements along with s-block elements are called as ________ elements.

8. In olden days, as a privilege to the discoverer, the elements were named as they suggested by IUPAC.

9. Mass of a photon is given by 3.313 x 10^-34 kg. Find it's wavelength.

10. If the kinetic energy of an electron is 5J. Find out its wavelength.