Representative elements are those which belong to
Representative elements are those which belong to
Representative elements are those which belong to Read More »
Periodic Table MCQs
Diagonal relationship is shown by
Q. Diagonal relationship is shown by A. All elements with their diagonally downward elements towards right B. Most of the elements of second period C. All 3d series elements D. None of the above Answer: None of the above
The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:
The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:
On the Pauling’s electronegativity scale the element next to F is
On the Pauling’s electronegativity scale the element next to F is
On the Pauling’s electronegativity scale the element next to F is Read More »
The order of increasing sizes of atomic radii among the elements O, S, Se and As is
The order of increasing sizes of atomic radii among the elements O, S, Se and As is
The order of increasing sizes of atomic radii among the elements O, S, Se and As is Read More »
In the long form of the periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in
In the long form of the periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in
Which of the following properties generally decreases along a period?
Which of the following properties generally decreases along a period?
Which of the following properties generally decreases along a period? Read More »
The correct order of first ionization potential among following elements, Be, B, C, N and O is
The correct order of first ionization potential among following elements, Be, B, C, N and O is
Why the size of an anion is larger than the parent atom?
Why the size of an anion is larger than the parent atom?
Why the size of an anion is larger than the parent atom? Read More »