Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?

Related Mcqs:

1. Elements in a periodic table are arranged in order of their__________________?

   A. Atomic number
   B. Mass number
   C. Atomic weight
   D. Metallic characteristics

2. What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?

   A. AB3
   B. A2B3
   C. A2B
   D. AB2

3. The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

   A. Less than
   B. More than
   C. Same as
   D. Not related to

4. Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

   A. The same
   B. Less than
   C. Greater than
   D. Different than

5. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

   A. Tin
   B. Lead
   C. Zinc
   D. Glass

6. With increase in temperature, the atomic heat capacities of all solid elements_________________?

   A. Increases
   B. Decreases
   C. Remains unchanged
   D. Decreases linearly

7. 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?

   A. 0.5
   B. 1
   C. 3
   D. 5

8. Atomic ______________ of an element is a whole number?

   A. Weight
   B. Number
   C. Volume
   D. Radius

9. The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?

   A. 1/2
   B. 4
   C. √2
   D. 1/4

10. Which of the following identities can be most easily used to verify steam table data for superheated steam ?

    A. (∂T/∂V)S = (∂p/∂S)V
    B. (∂T/∂P)S = (∂V/∂S)P
    C. (∂P/∂T)V = (∂S/∂V)T
    D. (∂V/∂T)P = -(∂S/∂P)T