Element that have same number of neutrons are called__________?

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. Neutrons moving with an energy of 1.2 MeV are called_______________?

   A. Fast neutrons
   B. Slow neutrons
   C. Moderate neutrons
   D. All are possible

3. Sum of protons and neutrons in an atom gives off _________ ?

   A. Nucleon numbera
   B. Mass number
   C. Atomic number
   D. Both A and B

   Submitted by: Rashid Mehmood

4. 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

5. The reciprocal of the coefficent of viscosity is called__________?

   A. Density
   B. Specific gravity
   C. Fluidity
   D. Absorbance

   Submitted by: Muhammad Ali Kunbhar

6. The metallurgical process in which a metal is obtained in a fused state is called__________?

   A. smelting
   B. roasting
   C. calcinations
   D. froth floatation

   Submitted by: Muhammad Ali Kunbhar

7. The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

   A. 7
   B. 10
   C. 12
   D. 16

8. The element that act as anode always have ______________ position in electrochemical cell?

   A. higher
   B. lower
   C. in middle
   D. no effect of position

9. The atoms of same element having same atomic number but different mass number are called____________________?

   A. Isobars
   B. Isomers
   C. Isotopes
   D. Isotropes

10. Which element was not known when Mendeleev proposed his classification ?

    A. Hydrogen
    B. Sodium
    C. Copper
    D. Germanium