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

Related Mcqs:

1. Molar heat of vaporization of water is_________________?

   A. 40.7 KJ/mole
   B. 40.7 J/mole
   C. 40.7 cal/mole
   D. 40.7 Kcal/mole

2. Which element has same isotopes like palladium___________________?

   A. Nickel
   B. Calcium
   C. Cadmium
   D. Tin

3. Mass spectrometer is used to determine Mass number of isotopes and___________________?

   A. Atomic number
   B. Relative abundance
   C. Electronic configuration
   D. All of the above

4. Which of the following statements about isotopes is correct ?

   A. Isotopes with odd atomic number are abundant
   B. Isotopes with odd atomic number and even mass number are abundant
   C. Isotopes with even atomic number and even mass number are abundant
   D. Isotopes with even atomic number and odd mass no are abundant

5. The number of isotopes of elements with even mass number and even atomic number are ________________?

   A. 280
   B. 300
   C. 154
   D. 54

6. Which one of the following has the maximum number of isotopes ?

   A. oxygen
   B. carbon
   C. tin
   D. chlorine

7. How many isotopes have odd atomic number ?

   A. 154
   B. 280
   C. 86
   D. 300

8. Isotopes of the same elements has__________________?

   A. different number of protons
   B. same number of neutrons
   C. different number of neutrons
   D. same mass number (nucleon number)

9. Which of the following statements is wrong about isotopes ?

   A. they possess different mass number
   B. they possess different physical properties
   C. they possess same chemical properties
   D. they possess different position in the periodic table

10. Isotopes differ in_________________?

    A. properties which depend upon mass
    B. arrangement of electrons in orbitals
    C. chemical properties
    D. all of the above