Quick Quiz
Questions ▼
Periodic Classification of Elements NEET Questions. We covered all the Periodic Classification of Elements NEET Questions in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, DSSSB, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We also provided the periodic table neet questions pdf on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- Acids Bases and Salts Class 10 MCQ Online Test
- Acid Bases and Salts Class 10 MCQ Online Test
- States of Matter JEE Mains Questions
Periodic Classification of Elements NEET Questions for Students
The modern periodic table is arranged based on which of the following?
a) Electronegativity
b) Atomic mass
c) Atomic shape
d) Atomic number
Option d – Atomic number
Helium belongs to which block of the periodic table?
a) s-block
b) p-block
c) d-block
d) f-block
Option b – p-block
What are the horizontal and vertical divisions in the periodic table called?
a) Periods, groups
b) Groups, periods
c) Series, periods
d) Family, periods
Option a – Periods, groups
Elements with similar valence shell electron arrangements are grouped into
a) Groups
b) Vertical columns
c) Families
d) All of the above
Option d – All of the above
According to IUPAC, how many groups and periods are present in the periodic table?
a) 16, 9
b) 18, 7
c) 18, 9
d) 13, 7
Option b – 18, 7
What is obtained by multiplying equivalent weight with the valency of an element?
a) Density
b) Relative temperature
c) Atomic weight
d) Atomicity
Option c – Atomic weight
Which property varies with the change in valency?
a) Atomic weight
b) Equivalent weight
c) Molecular weight
d) Density
Option b – Equivalent weight
Which category of elements is known for exhibiting multiple valencies?
a) Transition metals
b) s-block elements
c) f-block elements
d) Both a and c
Option d – Both a and c
Compared to oxygen, how does nitrogen’s ionization energy behave?
a) Equal to that of oxygen
b) Lower than oxygen
c) Higher than oxygen
d) None of these
Option c – Higher than oxygen
Which of the following sequences shows decreasing electron-releasing ability?
a) Zn > Cu > Ag
b) Ag > Cu > Zn
c) Cu > Zn > Ag
d) Cu > Ag > Zn
Option a – Zn > Cu > Ag
Which of the following is not a periodic trend in the periodic table?
a) Atomic size
b) Valency
c) Radioactivity
d) Electronegativity
Option c – Radioactivity
In Mendeleev’s table, iodine (lighter than tellurium) was grouped with
a) Iron, cobalt, and nickel
b) Fluorine, chlorine, and bromine
c) Oxygen, sulfur, and selenium
d) Carbon, silicon, and germanium
Option b – Fluorine, chlorine, and bromine
Consider these statements:
I. Mendeleev’s periodic table had no fixed position for isotopes
II. He proposed the periodic law based on atomic mass
Which are correct?
a) Only I
b) Only II
c) Both I and II
d) Neither I nor II
Option c – Both I and II
How many elements are found in the fifth period of the modern periodic table?
a) 2
b) 8
c) 18
d) 36
Option c – 18
Which group in the periodic table contains only non-metals?
a) Group IA
b) Group IIIA
c) Group VIIA
d) Group VIIB
Option c – Group VIIA
The elements in a particular group of the periodic table
a) Show similar chemical behavior
b) Have consecutive atomic numbers
c) Are isobars
d) Are isotopes
Option a – Show similar chemical behavior
What is common to all elements in the same group?
a) Same atomic mass
b) Same number of valence electrons
c) Identical atomic number
d) None of the above
Option b – Same number of valence electrons
Which of the following is not part of the noble gases?
a) Neon
b) Hydrogen
c) Helium
d) Argon
Option b – Hydrogen
Electronic configuration-based periodic classification helps analyze
a) Trends in physical properties
b) Trends in chemical properties
c) Both a and b
d) Neither a nor b
Option c – Both a and b
The concept of triads in elements was introduced by
a) Law of Triads
b) Law of Dobereiner
c) Law of Octaves
d) Law of Duet
Option a – Law of Triads
According to Lothar Meyer, the chemical behavior of elements is periodic with respect to
a) Valency
b) Atomic number
c) Atomic mass
d) Atomic radius
Option c – Atomic mass
While moving across a period from left to right, what remains unchanged?
a) Number of electrons
b) Number of protons
c) Number of shells
d) Number of neutrons
Option c – Number of shells
Which hard metal with high melting point is commonly used in electric bulbs?
a) Nickel
b) Platinum
c) Iron
d) Tungsten
Option d – Tungsten
Identify the lightest liquid metal from the following:
a) Mercury
b) Gallium
c) Cesium
d) Francium
Option c – Cesium
Which group of elements most easily forms negatively charged ions?
a) Oxygen group
b) Nitrogen group
c) Halogen group
d) Alkali metals
Option c – Halogen group
Which among the following is not categorized as a representative element?
a) Fe
b) K
c) Ba
d) N
Option a – Fe
Which of these elements is considered the most electropositive?
a) Sodium
b) Calcium
c) Aluminium
d) Silicon
Option a – Sodium
What happens to the reactivity of alkali metals as you go down the group?
a) They become shinier
b) They become hotter
c) Their reactivity increases
d) Their reactivity decreases
Option c – Their reactivity increases
Identify the metalloid among the following elements.
a) Pb
b) Sb
c) Bi
d) Zn
Option c – Sb
Which sequence correctly arranges elements in increasing metallic character?
a) Be, Mg, Ca
b) Na, Li, K
c) Mg, Al, Si
d) C, O, N
Option a – Be, Mg, Ca
Elements with atomic numbers 2, 3, 7, 10, and 30 — which group of them lies in the same period?
a) A, B, C
b) B, C, D
c) A, D, E
d) B, D, E
Option b – B, C, D
The element that is part of all organic compounds belongs to which group?
a) Group 1
b) Group 14
c) Group 15
d) Group 16
Option b – Group 14
Which option arranges these elements in increasing non-metallic character: Li, O, C, Be, F?
a) F < O < C < Be < Li
b) Li < Be < C < O < F
c) F < O < C < Be < Li
d) F < O < Be < C < Li
Option b – Li < Be < C < O < F
Which property does not align with the characteristics of halogens?
a) Seven valence electrons
b) Exist as diatomic molecules
c) Highly chemically reactive
d) Metallic behavior
Option d – Metallic behavior
Which type of elements usually show acidic oxide formation and non-metallic properties?
a) s-block elements
b) p-block elements
c) d-block elements
d) f-block elements
Option b – p-block elements
Which periodic table had gaps for undiscovered elements and unclear hydrogen placement?
a) Mendeleev’s periodic table
b) Modern periodic table
c) Newland’s classification
d) Both a and b
Option a – Mendeleev’s periodic table
What is the physical state and color of bromine?
a) Colorless gas
b) Brown solid
c) Highly flammable gas
d) Reddish liquid
Option d – Reddish liquid
Which noble gas is responsible for the bright flash in a photographer’s flashgun?
a) Argon
b) Xenon
c) Neon
d) Helium
Option b – Xenon
Newlands’ classification could organize elements only up to which element?
a) Copper
b) Chlorine
c) Calcium
d) Chromium
Option c – Calcium
The smallest atom in Group 13 is
a) Beryllium
b) Carbon
c) Aluminium
d) Boron
Option d – Boron
Elements with atomic numbers 2, 10, 18, 36, 54, and 86 belong to which group?
a) Halogens
b) Noble gases
c) Noble metals
Option b – Noble gases
How many elements are present in the third period of the periodic table?
a) 2
b) 8
c) 18
d) 32
Option b – 8
Which element has the least tendency to give up electrons? ( Periodic Classification of Elements NEET MCQ )
a) Hydrogen
b) Lithium
c) Helium
d) Neon
Option c – Helium
Calcium, strontium, and barium are grouped together based on what principles? ( Periodic Classification of Elements NEET MCQ )
a) Atomic weights arranged in increasing order
b) Middle element’s atomic weight is the average of the other two
c) They share similar chemical behaviors
d) All of the above
Option d – All of the above
The element named to honor Enrico Fermi is
a) 10th
b) 50th
c) 100th
d) 75th
Option c – 100th
What type of bonding gives transition elements their high melting points? ( Periodic Classification of Elements NEET MCQ )
a) Ionic bonding
b) Covalent bonding
c) Metallic bonding
d) Both covalent and metallic bonding
Option d – Both covalent and metallic bonding
Which compound contains the maximum number of unpaired electrons? ( Periodic Classification of Elements NEET MCQ )
a) CrCl₃
b) MnCl₂
c) FeSO₄
d) CdSO₄
Option b – MnCl₂
The distinctive color of transition metal compounds is due to ( Periodic Classification of Elements NEET MCQ )
a) Incomplete ‘s’ subshell
b) Absorption of UV radiation
c) Incomplete subshell before the outermost one
d) Incomplete (n–1) d subshell causing d-d transitions
Option d – Incomplete (n–1) d subshell causing d-d transitions
Which group of elements typically forms colored ions?
a) Transition elements
b) Inner transition elements
c) Both of the above
d) Neither of the above
Option c – Both of the above
As per the effective atomic number principle, the central atom tends to achieve ( Periodic Classification of Elements NEET MCQ )
a) Configuration similar to noble gases
b) A duet configuration
c) A complete octet
d) A fully filled quartet
Option a – Configuration similar to noble gases
Titanium exhibits a magnetic moment of 1.73 B.M. in a compound. What is its oxidation state in this compound?
a) +1
b) +4
c) +3
d) +2
Option c – +3
Which compound is most likely to have non-metal atoms situated in the voids of a metal lattice?
a) Fe3O4
b) TiN
c) MnO2
d) CoF2
Option b – TiN
In a transition series, how does paramagnetism vary with increasing atomic number? ( Periodic Classification of Elements NEET MCQ )
a) Continuously increases
b) Continuously decreases
c) Increases to a peak and then decreases
d) Decreases to a low point and then increases
Option c – Increases to a peak and then decreases
What is the highest oxidation number Chromium can exhibit?
a) +6
b) +7
c) +4
d) +8
Option a – +6
What is the highest oxidation number shown by Osmium? ( Periodic Classification of Elements NEET MCQ )
a) +7
b) +8
c) +6
d) +10
Option b – +8
What is the maximum oxidation state of Manganese? ( Periodic Classification of Elements NEET MCQ )
a) +5
b) +7
c) +6
d) +3
Option b – +7
The highest oxidation state in transition metals is derived from:
a) Electrons in the ns orbital
b) Electrons in the (n-1)d orbital
c) Electrons in the (n+1)d orbital
d) Electrons from both ns and (n-1)d orbitals
Option d – Electrons from both ns and (n-1)d orbitals
Which of the following element pairs belong to the same group in the periodic table? ( Periodic Classification of Elements NEET MCQ )
a) Ra, Ba
b) Co, Pt
c) Fr, Sr
d) Pb, Sb
Option a – Ra, Ba
Arrange B, Al, Mg, and Ca in order of decreasing metallic character. ( Periodic Classification of Elements NEET MCQ )
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 element listed is not a member of the actinoid series?
a) Curium (Z = 96)
b) Californium (Z = 98)
c) Uranium (Z = 92)
d) Terbium (Z = 65)
Option d – Terbium (Z = 65)
Which element possesses the most negative electron gain enthalpy?
a) Iodine
b) Bromine
c) Chlorine
d) Fluorine
Option c – Chlorine
Identify the correct statement from the following: ( Periodic Classification of Elements NEET MCQ )
a) All group 1 elements are nonmetals
b) Group 11 includes only metals
c) All elements in group 15 are nonmetals
d) Every group 14 element is a metal
Option b – Group 11 includes only metals
What is the maximum covalency of boron? ( Periodic Classification of Elements NEET MCQ )
a) 2
b) 3
c) 4
d) 6
Option c – 4
Which of the following elements has the highest second ionization energy? ( Periodic Classification of Elements NEET MCQ )
a) Boron
b) Beryllium
c) Magnesium
d) Aluminium
Option a – Boron
Elements aligned vertically in the periodic table share which characteristic?
a) Identical chemical behavior
b) Same number of valence electrons
c) Identical valence shell configurations
d) Equal number of electron shells
Option b – Same number of valence electrons
An element located in Group 13 and Period 3 is best described as:
a) A liquid at room temperature
b) Metallic
c) Poor conductor of electricity
d) A metalloid
Option b – Metallic
What is the correct descending order of first ionization enthalpy for the following elements? ( Periodic Classification of Elements NEET MCQ )
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 property increases across a period as atomic number rises?
a) Electronegativity
b) Atomic size
c) Tendency to behave like a metal
d) Valency
Option a – Electronegativity
Which of the following statements is incorrect? ( Periodic Classification of Elements NEET MCQ )
a) Fluorine is the most electronegative element
b) Scandium is the first transition element in period 4
c) Halogens across a period have the highest negative electron gain enthalpy
d) All three transition series have exactly 10 elements
Option d – All three transition series have exactly 10 elements
Which of these atomic numbers corresponds to a metal? ( Periodic Classification of Elements NEET MCQ )
a) 32
b) 34
c) 36
d) 38
Option d – 38
Based on IUPAC naming, what is the element with atomic number 115 called?
a) Ununpentane
b) Ununpentium
c) Unbipentium
d) Unnilpentium
Option b – Ununpentium
What is the trend in the basic nature of oxides across a period and down a group? ( Periodic Classification of Elements NEET MCQ )
a) Increases across a period and decreases down a group
b) Increases in both directions
c) Decreases across a period and increases down a group
d) Decreases in both directions
Option c – Decreases across a period and increases down a group
An element ‘X’ forms a diatomic gas X₂. If 28 g of X₂ occupies 22.4 L at STP, what is its position in the modern periodic table?
a) Group 16, Period 2
b) Group 15, Period 3
c) Group 17, Period 2
d) Group 15, Period 2
Option d – Group 15, Period 2
Which of the following pairs is chemically least similar?
a) Na and K
b) Ba and Sr
c) Si and Ge
d) Ca and Zn
Option d – Ca and Zn
Choose the correct order of increasing electronegativity among the following: ( Periodic Classification of Elements NEET MCQ )
a) S < Si < P
b) Si < P < S
c) S < P < Si
d) P < Si < S
Option b – Si < P < S
Which periodic trend is correctly represented below?
a) Valence electrons: Al < Mg < Na
b) First ionization energy: O > F > Ne
c) Atomic radius: B > Mg > Be
d) Metallic character: Na > Mg > Be
Option d – Metallic character: Na > Mg > Be
The element with the greatest first ionization energy among the following is: ( Periodic Classification of Elements NEET MCQ )
a) Carbon
b) Oxygen
c) Nitrogen
d) Boron
Option c – Nitrogen
Rank Na, K, Rb, and Cs in order of increasing reactivity. ( Periodic Classification of Elements NEET MCQ )
a) Na < K < Cs < Rb
b) Cs < Rb < K < Na
c) Na < K < Rb < Cs
d) K < Na < Cs < Rb
Option c – Na < K < Rb < Cs
Elements P, Q, and R belong to period 3. Their oxides are basic, amphoteric, and acidic respectively. What is the order of their atomic numbers?
a) P < Q < R
b) R < Q < P
c) P < R < Q
d) Q < P < R
Option a – P < Q < R
Why is the ionization enthalpy of Al lower than that of Mg?
a) More valence electrons in Al
b) Valence electron of Al is in the 3p orbital
c) Smaller atomic size of Mg
d) Atomic number increases from Mg to Al
Option b – Valence electron of Al is in the 3p orbital
If the ionization enthalpy of Na is 5.1 eV, what is its electron gain enthalpy?
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 the most electropositive? ( Periodic Classification of Elements NEET MCQ )
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 element below will be acidic in nature?
a) Mg
b) Rb
c) Li
d) Cl
Option d – Cl
Which of the following is a correct statement about the modern periodic table? ( Periodic Classification of Elements NEET MCQ )
a) Period 4 includes 8 elements
b) The 5d series begins with yttrium
c) Groups 3 to 12 are defined by the filling of inner d-orbitals
d) All elements in the f-block are nonmetals
Option c – Groups 3 to 12 are defined by the filling of inner d-orbitals
We covered all the periodic classification of elements neet questions above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
