A. Atomic weight
B. Atomic number
C. Mass of the atom
D. Shape of the atom
# The long form of periodic table is based on:
A. Atomic number
B. Electronegativity
C. Mass of the atom
D. Shape of the atom
# The d- block elements in the long form of periodic table are placed:
A. In the middle
B. At the bottom
C. On the extreme right
D. On the extreme left
# Which of the following statement is correct with respect to the property of elements with an increase in atomic no. in the carbon family?
A. Atomic size decreases
B. Ionization energy increases
C. Metallic character decreases
D. Stability of +2 oxidation state increases
# All the elements in the group in the periodic table have the same:
A. Atomic number
B. Atomic weight
C. No. of valence electrons
D. None of these
# The elements of group IB and IIB are called:
A. alkali metals
B. normal elements
C. alkaline earth metals
D. transition metals
# Lattice energy of of an ionic compound depends upon:
A. charge on the ion only
B. size of the ion only
C. packing of the ion only
D. Both A and B
# Which of the following ion is colored?
A. Cr+
B. Cu+
C. Zn++
D. None of the these
# Which of the following has the highest melting point?
A. F
B. Cl
C. Br
D. I
# Which of the following has the smallest size?
A. Na+
B. Mg++
C. Al+++
D. F
# The smallest radius among the given species is:
A. Lithium ion
B. Lithium
C. Helium
D. Hydrogen
# The atomic radii of elements in moving down a group from the first transition series to the second transition series:
A. Increases
B. Decreases
C. Remains same
D. First increases then decreases
# The arrangement of Na, Rb, K, Cs in the increasing order of atomic radius is:
A. Na < K< Rb < Cs
B. K < Na< Cs < Rb
C. Na < Cs < K < Rb
D. Rb < K < Cs < Na
# The radii of F, Cl , Br, and I are in the order of:
A. F>Cl>Br>I
B. Br>I>Cl>F
C. Cl>Br>I>F
D. I>Br>Cl>F
# Cationic radii are:
A. Directly proportional to effective nuclear charge
B. Inversely proportional to effective nuclear charge
C. Directly proportional to square of effective nuclear charge
D. Inversely proportional to square of effective nuclear charge
# The energy with which an atom binds the electrons is experimentally determined by measuring its:
A. atomic size
B. Electronegativity
C. electron affinity
D. Ionization potential
# Which of the following is correct about ionization potential?
A. It is independent of atomic radii
B. It increases with increase in atomic radii
C. It remains constant in atomic radii
D. It decreases with increase in atomic radii
# Which of the following electronic configuration corresponds to an element with the lowest ionization potential?
A. 1s2, 2s2, 2p3
B. 1s2, 2s2, 2p5
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s1
# The element that has the highest first ionization potential is:
A. Nitrogen
B. Oxygen
C. Carbon
D. Boron
# The first ionization potential is maximum for:
A. Potassium
B. Hydrogen
C. Sodium
D. Lithium
# The electron affinity depends upon:
A. Atomic size
B. Atomic number
C. Nuclear charge
D. Both A and C
# The electron affinity of chlorine is higher than that of fluorine due to:
A. bigger size
B. its hughest reactivity
C. smaller nuclear charge
D. difference in their electronic configuration
# Electron affinity of noble gases is:
A. Low
B. High
C. Very high
D. Almost zero
# Which of the following has highest electron affinity?
A. Li+
B. Na+
C. F-
D. Cl-
# Electronegativity of an element helps in predicting:
A. dipole moments
B. polarity of bonds
C. valency of elements
D. position of electrochemical series
# Which of the following elements has the highest electronegativity?
A. B
B. C
C. N
D. O
# The electronegativity follows the order:
A. F>I>Cl>Br
B. F>Cl>Br>I
C. I>Fl>Cl>Br
D. Cl>F>I>Br
# H2O is liquid while H2S is gas because oxygen has:
A. High electronegativity
B. low electronegativity
C. High ionization energy
D. low ionization energy
# Which one of the following elements can have both positive and negative oxidation states?
A. F
B. H
C. Li
D. Cs
# The process requiring the absorption of energy is:
A. F ---> F-
B. Cl ---> Cl-
C. O ---> O--
D. H ---> H-
# Among the following, the most electronegative is:
A. Oxygen
B. Chlorine
C. Nitrogen
D. Fluorine
# Which species has the maximum ionic radius?
A. Na+
B. O--
C. F-
D. Mg++
# Which relation represents the correct rrelationship of the radius of an atom, its cation and its anion ?
A. Atom = Cation = Anion
B. Atom > Cation > Anion
C. Atom > Cation < Anion
D. Atom < Cation < Anion
# The most abundant element on the earth surface is:
A. O2
B. Si
C. Al
D. Fe
# Which series of elements would have nearly the same atomic radii ?
A. Fe, Co, Ni
B. Na, K, Rb
C. F, Cl, Br
D. Li, Be, B
# If the atomic number of an element is 33, it will be placed in the periodic table in the:
A. first group
B. fourth group
C. fifth group
D. seventh group
# Which of the following is used as semiconductor?
A. Cr
B. As
C. Al
D. Bi
# Which of the following atoms would be paramagnetic?
A. Ca
B. Be
C. Zn
D. N
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