Classification of Elements and Periodicity in Properties MCQ. We covered all the Classification of Elements and Periodicity in Properties MCQ in this post for free so that you can practice well for the exam.
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MCQ on Classification of Elements and Periodicity in Properties for NEET Students
Which of the following pairs has both members from the same group of the modern periodic table?
(A) Ra, Ba
(B) Co, Pt
(C) Fr, Sr
(D) Pb, Sb
Option a – Ra, Ba
Considering the elements B, Al, Mg, and Ca, the CORRECT order of their metallic character is ……….
(A) B>Al> Mg > Ca
(B) Al> Mg > B> Ca
(C) Mg>Al>Ca> B
(D) Ca> Mg > Al > B
Option d – Ca> Mg > Al > B
Which of the following is NOT an actinoid?
(A) Curium (Z = 96)
(B) Californium (Z = 98)
(C) Uranium (Z = 92)
(D) Terbium (Z = 65)
Option d – Terbium (Z = 65)
Which of the following elements has the maximum negative value of electron gain enthalpy?
(A) I
(B) Br
(C) Cl
(D) F
Option c – Cl
Which of the following is the CORRECT statement?
(A) All the elements of group 1 are nonmetals.
(B) All the elements of group 11 are metals.
(C) All the elements of group 15 are nonmetals.
(D) All the elements of group 14 are metals.
Option b – All the elements of group 11 are metals.
The maximum covalency of boron is ……….
(A) 2
(B) 3
(C) 4
(D) 6
Option c – 4
Among the following elements, the second ionization energy is maximum for ……….
(A) boron
(B) beryllium
(C) magnesium
(D) aluminum
Option a – boron
The elements in the same vertical column of the modern periodic table have ………..
(A) different chemical properties
(B) the same number of valence electrons
(C) different valence shell electronic configurations
(D) the same number of shells or orbits
Option b – the same number of valence electrons
An element belongs to group 13 and period 3. Which of the following is the CORRECT for this element?
(A) It is liquid at room temperature.
(B) It is a metallic element.
(C) It is a bad conductor of electricity.
(D) It is a metalloid.
Option b – It is a metallic element.
The decreasing order of the first ionization enthalpy of the following elements is ……….
(A) Cl>P> S > Si
(B) Cl>P> Si > S
(C) Cl>S> P > Si
(D) Cl>S> Si > P
Option a – Cl>P> S > Si
Which of the following periodic property increases across the period with an increase in atomic number?
(A) Electronegativity
(B) Atomic radius
(C) Metallic character
(D) Valence
Option a – Electronegativity
Select the statement which is NOT CORRECT.
(A) The most electronegative element in the periodic table is fluorine.
(B) Scandium is the first transition element and belongs to the fourth period.
(C) Along a period halogens have maximum negative electron gain enthalpy.
(D) There are three transition series in the periodic table each containing 10 elements.
Option d – There are three transition series in the periodic table each containing 10 elements.
Which of the following is the atomic number of a metal?
(A) 32
(B) 34
(C) 36
(D) 38
Option d – 38
By using the systematic nomenclature recommended by IUPAC, the name for the element with atomic number 115 is ………..
(A) Ununpentane
(B) Ununpentium
(C) Unbipentium
(D) Unnilpentium
Option b – Ununpentium
In a periodic table, the basic character of oxides ……….
(A) increases from left to right across a period and decreases from top to bottom in the group
(B) increases from left to right across a period and increases from top to bottom in the group
(C) decreases from left to right across a period and increases from top to bottom in the group
(D) decreases from left to right across a period and decreases from top to bottom in the group
Option c – decreases from left to right across a period and increases from top to bottom in the group
An element ‘X’ forms a diatomic molecule (X₂). 28 g of this X₂ gas (considering ideal behavior) occupies a volume of 22.4 L at STP. What is the position of element ‘X’ in the modern periodic table?
(A) Group 16 and Period 2
(B) Group 15 and Period 3
(C) Group 17 and Period 2
(D) Group 15 and Period 2
Option d – Group 15 and Period 2
Which of the following IRS are chemically dissimilar?
(A) Na and K
(B) Ba and Sr
(C) Si and Ge
(D) Ca and Zn
Option d – Ca and Zn
Which of the following is the CORRECT order of increasing electronegativity?
(A) S<Si<P
(B) Si<P<S
(C) S<P<Si
(D) P<Si<S
Option b – Si
Which of the following is the CORRECT periodic trend?
(A) Number of valence electrons: Al < Mg < Na
(B) First ionization enthalpy: O> F > Ne
(C) Atomic radius: B Mg > Be
(D) Metallic character: Na > Mg > Be
Option d – Metallic character: Na > Mg > Be
Which of the following has the highest first ionization enthalpy?
(A) Carbon
(B) Oxygen
(C) Nitrogen
(D) Boron
Option c – Nitrogen
The increasing order of reactivity of the elements Na, K, Rb, and Cs is ………..
(A) Na<K<Cs < Rb
(B) Cs<Rb<K<Na
(C) Na<K<Rb<Cs
(D) K<Na<Cs<Rb
Option c – Na
P. Q and R are elements in the third period. The oxide of ‘P’ is basic, that of ‘Q’ is amphoteric and of ‘R’ is acidic. P, Q, and R have an atomic number in the order ………
(A) P<Q<R
(B) R<Q<P
(C) P<R<Q
(D) Q<P<R
Option a – P
The ionization enthalpy of Al is less than that of Mg. This is due to ……….
(A) increase in the number of valence electrons
(B) the presence of valence electrons in the 3p subshell in Al
(C) the smaller atomic size of Mg
(D) increases in atomic number from Mg to Al
Option b – the presence of valence electrons in the 3p subshell in Al
The first ionization enthalpy of Na is 5.1 eV. The value of electron gain enthalpy of Na will be ……….
(A) +2.55 eV
(B) -2.55 eV
(C) -5.1 eV
(D) -10.2 eV
Option c – -5.1 eV
Among the elements with atomic numbers 9, 12, 16, and 36, which is highly electropositive?
(A) Element with atomic number 9.
(B) Element with atomic number 12.
(C) Element with atomic number 16.
(D) Element with atomic number 36.
Option b – Element with atomic number 12.
The oxide of which of the following elements will be acidic in nature?
(A) Mg
(B) Rb
(C) Li
(D) Cl
Option d – Cl
Which of the following statement is CORRECT about the modern periodic table?
(A) The total number of elements in period 4 is 8.
(B) The 5d transition series starts from yttrium.
(C) The elements in groups 3 to 12 are characterized by the filling of inner d-orbitals by electrons.
(D) The elements in the f-block are all nonmetals.
Option c – The elements in groups 3 to 12 are characterized by the filling of inner d-orbitals by electrons.
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