NEET WEEKLY TEST 3 (01.08.2026)

CHEMISTRY

1. The atomic number of an elements represents the number of ______ in the nucleus of its atom

1. Mass number
2. Proton
3. Neutron
4. Valence electron

Deselect Answer

2. What is the atomic number of Y

1. 70
2. 39
3. 57
4. 72Deselect Answer

3. Atomic Number 40 is the Chemical element

1. Hafnium
2. Zirconium
3. Niobium
4. BariumDeselect Answer

4. Atomic number 42 is the chemical element Molybdenum, represented by the symbol

1. M
2. Mb
3. Mo
4. MdDeselect Answer

5. In the modern periodic Table, 6^th Period contains

1. 8 elements
2. 18 elements
3. 32 elements
4. 42 elementsDeselect Answer

6. The correct order of atomic number for Lanthanide series are

1. La < Ce< Pr < Sm < Nd < Pm < Eu < Gd
2. La < Ce < Pm < Sm < Nd < Pr < Eu < Gd
3. Eu < Gd < Tb < Dy < Ho < Er < Yb
4. Eu < Gd < Tb < Dy < Ho < Er < TmDeselect Answer

7. Z = 113

1. Fl
2. Mc
3. Lv
4. NhDeselect Answer

8. Tennessine is

1. Pnictogens
2. Halogens
3. Noble Gases
4. TransitionDeselect Answer

9. The Elements ______ is not included in the 4^th period of Modern periodic Table

1. Ga and Ge
2. Cu and Zn
3. Cl and Ar
4. K and CaDeselect Answer

10. Nobelium

1. 100
2. 41
3. 42
4. 102Deselect Answer

11. How many elements are present in Group IIIA

1. 4
2. 5
3. 6
4. 7Deselect Answer

12. How many elements are present in Group IIIB

1. 4
2. 5
3. 6
4. 7Deselect Answer

13. Lead (Pb), Atomic number 84 is placed in

1. Group 13
2. Group 14
3. Group 15
4. Group 16Deselect Answer

14. Match List 1 and List 2
   List 1                        List 2
1.Radium                      A. Ru
2.Radon                        B. Rn
3.Rhodium                   C. Ra
4.Ruthenium               D. Rh
5.Rhenium                   E. Re

1. 1-A, 2-D, 3-B, 4- E, 5- C
2. 1-A, 2-B, 3- D, 4-E, 5- C
3. 1-C, 2-B, 3-D, 4-A, 5-E
4. 1-C, 2-B, 3-E, 4-A, 5-DDeselect Answer

15. Which of the following is not an actinoid?

1. Curium (Z = 96)
2. Californium (Z = 98)
3. Terbium (Z = 65)
4. Uranium (Z = 92)Deselect Answer

16. In which of the following options the order of arrangement does not agree with the variation of property indicated against it?

1. I < Br < Cl < F (increasing electron gain enthalpy)
2. Li < Na < K < Rb (increasing metallic radius)
3. Al³⁺ < Mg²⁺ < Na⁺ < F⁻ (increasing ionic size)
4. B < C < O < N (increasing first ionization enthalpy)Deselect Answer

17. The correct order of ionic radii of Y³⁺, La³⁺, Eu³⁺ and Lu³⁺ is:

1. Y³⁺ < Lu³⁺ < Eu³⁺ < La³⁺
2. Y³⁺ < La³⁺ < Eu³⁺ < Lu³⁺
3. Lu³⁺ < Eu³⁺ < La³⁺ < Y³⁺
4. La³⁺ < Eu³⁺ < Lu³⁺ < Y³⁺Deselect Answer

18. The General Electronic configuration of Group 15 element is?

1. ns² np¹
2. ns² np³
3. ns² np⁴
4. ns² np ^1-6Deselect Answer

19. Match Column 1 and 2
Column 1                 Column 2
1. Terbium                    A. Tl
2. Thulium                   B. Tb
3. Thallium                  C. Tm
4. Tantalum                 D. Ta

1. 1- B, 2-Tl, 3-Ta, 4 D
2. 1- C, 2- B, 3- D, 4- A
3. 1- B, 2-C, 3- A, 4- D
4. 1- B, 2-A, 3- D, 4- C

Deselect Answer

20. Which element is not Representative elements

1. Livermorium
2. Tellurium
3. Barium
4. NobeliumDeselect Answer

21. There are _____ elements present in Group II A

1. 2
2. 6
3. 8
4. 18Deselect Answer

22. Ytterbium and Lutetium is placed in

1. 4^th period
2. 5^th period
3. 6^th period
4. 7^th periodDeselect Answer

23. Which one of the following element does not belongs to Transition elements

1. Vanadium
2. Niobium
3. Cadmium
4. PalladiumDeselect Answer

24. What is the atomic number of Sn is

1. 32
2. 49
3. 50
4. 53Deselect Answer

25. Both Indium and Lead is present in

1. S- block
2. p- block
3. d- block
4. p and d blockDeselect Answer

26. 5^th period contain an elements of

1. Br and Kr
2. I and Xe
3. Xe and Kr
4. Br and IDeselect Answer

27. The standard atomic mass of Oxygen is

1. 14.88 u
2. 15.999 u
3. 16.999 u
4. 17.999 u

Deselect Answer

28. Among the following isoelectronic species which is the smallest size?

1. O^2-
2. F^–
3. Na⁺
4. Mg²⁺Deselect Answer

29. +4 Oxidation state is shown by

1. La, Lu
2. Ce, Tb
3. Eu, Yb
4. Gd, TmDeselect Answer

30. Which of the following statements are not correct ?

1. Gallium was earlier called eka – Aluminium
2. 4^th period begins with Rubidium
3. 15 elements of 6^th period are called Lanthanoids
4. Henry Moseley discovered the relationship between X-ray spectra and atomic number of the elements.Deselect Answer

31. Which of the following represents the electronic configuration of the most electropositive element ?

1. [Ne] 3s¹
2. [Ne] 3s²
3. [Xe] 6s¹
4. [Xe] 6s²Deselect Answer

32. How many unpaired electrons and sum of spin are present in Gadolinium (Z= 64)

1. 7, 2
2. 7, 4
3. 8, 4
4. 8, 8Deselect Answer

33. Electron gain enthalpy is the amount of  energy released when an electron is _____ to the outermost shell of an elements in its _____ state. It becomes more _____ across a period and less ____ down a group.

1. Added, gaseous, negative, negative
2. Remove, liquid, positive, negative
3. Added, liquid, negative, positive
4. Removed, gaseous, positive, positiveDeselect Answer

34. The element Z = 115 has been discovered recently. It will belong to which of the following family/group

1. Carbon family
2. Oxygen family
3. Nitrogen family
4. Halogen familyDeselect Answer

35. An element Silver will be place in which group?

1. Group 5 
2. Group 6
3. Group 11
4. Group 12Deselect Answer

36. Which of the following elements has maximum electron affinity?

1. F
2. Cl
3. Br
4. IDeselect Answer

37. The electronic configuration of an element is [Kr]5s². Name the element which is just below the element in the periodic table?

1. Cesium
2. Strontium
3. Barium
4. RadiumDeselect Answer

38. Assertion: F atom has less negative electron gain enthalpy than Cl atom.
       Reason: Additional electrons are repelled more effectively by 3p -electrons in Cl than by 2p -electrons in F atom.

1. If both assertion and reason are true and reason is the correct explanation of assertion.
2. If both assertion and reason are true but reason is not the correct explanation of assertion.
3. If assertion is true but reason is
4. If both assertion and reason areDeselect Answer

39. Which of the following Electronic configuration is of transition elements

1. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
2. 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p¹
3. 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶
4. 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s²Deselect Answer

40. Among the elements W, X, Y and Z having atomic numbers 9, 10, 11 and 12 respectively, the correct order of ionization energies is

1. W > Y > X > Z
2. X > W > Z > Y
3. X > Z > Y > W
4. Z > Y > X > WDeselect Answer

41. Which one of the following species does not exist under normal conditions?

1. Li₂
2. F₂
3. Li₂⁺
4. Be₂Deselect Answer

42. Elements Chromium, Molybdenum, Tungsten and Seaborgium are present in

1. Group 4
2. Group 5
3. Group 6
4. Group 7Deselect Answer

43. Which of the following element is Synthetic element

1. Uranium
2. Iridium
3. Technetium
4. Thallium

Deselect Answer

44. On moving down the group, valence electron and valency

1. Increases
2. Decreases
3. Remain the same
4. Both 1 and 2Deselect Answer

45. Choose the incorrect statement about Hydrogen

1. Hydrogen is non – metal under normal condition
2. It shares electrons to make molecules like H₂0
3. Hydrogen has a high ionization enthalpy
4. It has low Ionization enthalpy than Li and Na,Deselect Answer