Atom is the smallest particall which is_________?

Related Mcqs:

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

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

2. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter
   B. Darker
   C. Colourless
   D. Hard to locate

3. Atom with higher atomic number produces X-rays of__________________?

   A. Shorter wavelength
   B. Larger wavelength
   C. X-ray not produced
   D. All are possible

4. Atom cannot be divided into simple unitstheorized by________________?

   A. Rutherford
   B. Dalton
   C. Bohr
   D. Schrodinger

5. Centrifugal forces are balanced in atom by__________________?

   A. Attractive forces
   B. Repulsive force
   C. Electrons
   D. Neutrons

6. Apparent charge on atom in molecule is___________________?

   A. valency
   B. coordination number
   C. oxidation number
   D. charge number

7. Keeping in view the size of atom which order is correct one ?

   A. Mg > Sr
   B. Ba > Mg
   C. Lu > Ce
   D. C1 > I

8. Ground state energy of the 4th orbit in a H-atom is_____________?

   A. 13.60 eV
   B. 3.40 eV
   C. 0.85 eV
   D. 1.51 eV

9. In an electronic transition atom cannot emit______________?

   A. γ-rays
   B. Infra red radiation
   C. Visible light
   D. Ultraviolet rays

10. The hybridization of nitrogen atom in pyridine is_______?

    A. Sp
    B. Sp2
    C. Sp3
    D. It is not hybridized

    Submitted by: Muhammad Ali Kunbhar