Which one of the following is not the mono isotopic element ?

Related Mcqs:

1. Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

2. Which of the following element doesnot show allotropy_________________?

   A. Carbon
   B. Arsenic
   C. Nitrogen
   D. Sulphur

3. Which of the following element act as inert electrode________________?

   CCu
   B. Ag
   C. Pt
   D. None

4. Which one of the following element has highest oxidation state in its compounds ?

   A. Cr
   B. Mn
   C. Sn
   D. O

5. The most electronegative element among the following is_________________?

   A. Sb
   B. N
   C. As
   D. P

6. Which one of the following is a bridge element?

   A. Be
   B. Cl
   C. K
   D. P

   Submitted by: Muhammad Ali Kunbhar

7. Which of the following element has the maximum electron affinity_____?

   A. Cl
   B. Br
   C. I
   D. F

   Submitted by: Muhammad Ali Kunbhar

8. The properties of an element mosly corresponds to that isotope which has greater_________________?

   A. Mass number
   B. Atomic mass
   C. Relative abundance
   D. all of the above

9. The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?

   A. Gas
   B. Liquid
   C. Volatile solid
   D. All

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

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