1) The least electronegative element in the periodic table is __
  Alumium
  Caesium**
  Flourine
  Hydrogen


2)The principal element in the solar atmosphere is __
  Hydrogen**
  Carbon
  Silicon
  Nitrogen


3)The isotopes of hydrogen include the following Except
  Tritium
  Protium
  Diterium**
  Denterium


4) The most abundant element in the universe is __
  Oxygen
  Hydrogen**
  Nitrogen
  Carbon


5) Which of these hydrogen isotopes is called heavy hydrogen ?
  Deuterium**
  Protium
  Tritium
  Diterium


6) Electronegativity can be measured by using one of the scales developed by any of these Except
  Alfred Rochow
  Mulliken
  Hund**
  Pauling


7) What is the trend of electronegativity across a row of S & P-blocks?
  Increase**
  None of the options
  Decrease
  Normal


8)  One of these is not a type of metal lattices
  Hexagonal
  Cubic close pacted
  Docta Hedral**
  Body-centered cubic


9) Atoms of element with the same atomic number but different mass number are called__
  Isotypes**
  Isotone
  Isobar
  Allotropy


10)Indicate among these elements, one with lower ionization energy
  S
  Se
  Te**
  O

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The metallic radii are generally ____than the corresponding covalent radii
Larger

One of the following statements is true of atomic radii
Decreases along a period

The following are types of atomic radius Except
Cationic

All common cations are smaller than all common anions Except
Rubidium

Metallic radius depends to some extent on the ____ structure of the metal
Crystal

What effect does the Principal Quantum Number has on atomic radius
Increases

in anion formation, the addition of an electron to an atom ____ the effective nuclear charge
Decreases

Van-der-waals forces are ____than the forces in covalent bond molecule
Weaker

The metallic crystal lattices are ___than the Vanderwaals forces
stronger

Which of these statements is true about the effective nuclear charge
Increase along a period