Electron was discovered by?

Related Mcqs:

1. When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

   A. 0.33 nm B. 0.34 nm C. 0.35 nm D. 0.36 nm...

2. What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022?

   A. HD1 B. GN-z11 C. Milky way D. None of these Submitted by: adeel2550...

3. The absolute value of charge on electron was determined by ________ ?

   A. J.J.Thomson B. Chadwick C. Rutherford D. Robert Millikan Submitted by: Rashid Mehmood...

4. The total energy of revolving electron in an atom_____________

   A. Will always be positive B. Can never be positive C. Can have any value above zero D. Cannot be negative Submitted by: WIQAR AHMAD...

5. 1 mole of electron has mass in microgram_________________?

   A. 1.008 x 10-3 B. 5.5 x 10-4 C. 1.84 x 10-4 D. 1.673 x 10-3...

6. The maximum number of electron in a sub shell with ? = 3fs______________?

   A. 6 B. 10 C. 14 D. 18...

7. Sharing of 1 electron pair by one specie forms_________________?

   A. Single covalent bond B. Hydrogen bond C. Double covalent bond D. Coordinate covalent bond...

8. How many electrons are there in benzene to form delocalized electron cloud________________?

   A. 3 B. 4 C. 6 D. 8...

9. A metallic atom loses its valence electron to form a/an _________?

   A. an anion B. a cation C. an anion – cation D. none of these​ Submitted by: Aamir khan Hullio...

10. Identify among the following which has Lowest energy of electron in 1st shell.

    A. H B. He+¹ C. Li+² D. Be+³ Submitted by: Aamir khan Hullio...