A. Melting point of elements
B. Boiling point of elements
C. Ionization energy of elements
D. Coordination number of ions
Related Mcqs:
- 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 - Which one of the following pairs shown diagonal relationship in the periodic table ?
A. Sodium and Lithium
B. Lithium and magnesium
C. Lithium and beryllium
D. Boron and Beryllium - Elements in the same vertical group of the periodic table have same_______________?
A. Number of valence electrons
B. Atomic number
C. Atomic mass
D. Atomic volume - Periodic table provides a basic framework to study elements with respect to their__________________?
A. Physical properties
B. Chemical properties
C. Properties of their compounds
D. All - In modern periodic table all the leements are arranged in ascending order of__________________?
A. Valency
B. Atomic mass
C. Atomic number
D. Valence electrons - Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?
A. Both are electropositive
B. Similar outer most shell electronic configuration
C. Both form ionic compounds
D. All - The scientist who did not contribute in the construction of periodic table ?
A. Al-Razi
B. Moseley
C. Dobereiner
D. Democritus - The longest period in the modern periodic table is___________________?
A. 6th
B. 7th
C. 2nd and 3rd both
D. 5th - Modern periodic table has been divided in ___________ blocks?
A. 2
B. 4
C. 8
D. 7 - Which discovery caused a revision in the periodic law as stated by Mendeleev ?
A. Location of nucleus by Rutherford
B. Atomic number by Moseley
C. X-rays by Roentgen
D. Natural radioactivity by Henry Bacquerel.
