Q.1.
Which of the following set includes the elements which were named in honor of certain countries?
Q.2.
chloride ion and potassium ion are isoelectronic. Then ..[ KCET 2002]
Q.3.
Which of the following is most electropositive element? [ J and K CEET 2003]
Q.4.
In any period, the valency of an element with respect to oxygen. ..[ Kerala MEE 2003]
Q.5.
Name the element in the periodic table forming maximum number of compounds .... [ Haryana CEET 2003]
Q.6.
In the periodic table, metallic character of the elements shows one of the following trend. [ Kerala CEE 2003]
Q.7.
Which of the following is correctly matched? .. [ Tamilnadu CET 2002]
Q.8.
Which is true about the electronegativity order of the following elements? [ BVP Pune 2002]
Q.9.
Which of the following order is correct for the first ionization potential of B, C and N .. [ MP PMT 2002]
Q.10.
The number of elements present in fifth period is ..