Atoms of all the elements always contain in nucleus:

Related Mcqs:

1. When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?

   A. ABAB (hexagonal)
   B. ABCABC (Cubic)
   C. Orthor hombic
   D. Rhombohedral

2. Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

   A. Covalent halides
   B. Electronegative halides
   C. Polymeric halides
   D. Polymeric hydrides

3. Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?

   A. Glycols
   B. Vicinal dihalides
   C. Geminal dihalides
   D. Diols

   Submitted by: Aamir khan Hullio

4. The nucleus of an atom of every element will always contain____________________?

   A. neutrons
   B. protons and electrons
   C. protons
   D. protons and neutrons

5. Which of the p-block elements are not representative elements ?

   A. Alkali metals (I-A)
   B. Group-14 elements (IV-A)
   C. Group-18 elements (VIII-A)
   D. Halogens (VII-A)

6. The octet rule does not always hold for which of the following elements _________________?

   A. C
   B. O
   C. F
   D. P

7. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

   A. 2-times
   B. 3-times
   C. 4-times
   D. 6 times

8. The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

   A. Ionization energy
   B. Electron affinity
   C. Electro negativity
   D. None of the above

9. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

   A. e
   B. 2e
   C. 3e
   D. 4e

   Submitted by: Rashid Mehmood

10. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?

    A. Beta particle
    B. Gamma particle
    C. Alpha particle
    D. Negative particle

    Submitted by: Rashid Mehmood