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.Management Sciences
Category: Periodic Classification
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
Amphoteric exides are those which possess ____________ properties?
A. Acidic
B. Basic
C. Acidic and basic
D. Neutral and acidic
Elements with similar chemical properties appear in the_________________?
A. Same family
B. Same period
C. p block elements
D. Right upper corner
Keeping in view the size of atom which order is correct one ?
A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > I
Which one of the following sets consists of all coinage metals ?
A. Cu Hg Au
B. Cu Ag Au
C. Ag Au Hg
D. Cu Fe Au
Which of the p-block elements are not representative elements ?
A. Alkali metals (I-A)
B. Group-14 elements (IV-A)
C. Group-18 elements (VIII-A)
D. Halogens (VII-A)
Inner transition elements are called _________________?
A. Lanthanides
B. Actinides
C. Rare earth metals
D. All
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
Melting points of VII-A group elements down the group ____________________?
A. Increase
B. Decrease
C. Remain constant
D. No regular trend
Iodine is solid due to_________________?
A. Strong covalent bond
B. Large value of dipole moment
C. High polarizability
D. Strong hydrogen bonding
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