Nomenclature of Elements, Class 11 Chemistry NCERT Solutions

1. There will be total 20  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. What is the relationship between the number of elements in each period and the number of atomic orbitals available in the energy level that is being filled?

Number of elements is twice the number of atomic orbitals.

Number of elements is three times the number of atomic orbitals.

Number of elements is half the number of atomic orbitals.

Number of elements is same as the number of atomic orbitals.

Your comments:

Question 1 of 20

2. Among the following elements, an element that is named after a famous scientist is:

Thorium

Fermium

Uranium

Carbon

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Question 2 of 20

3. Electrons in an orbital are filled according to which rule?

n + l

n+n

m+l

L+m

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Question 3 of 20

4. The systemic name for an element with atomic number (Z = 118) is:

Unnilunium

Ununoctium

Unbinilium

Ununhexium

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Question 4 of 20

5. For IUPAC nomenclature of elements with atomic number greater than 100, the abbreviation used for digit zero is:

o

MN

n

N

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Question 5 of 20

6. Elements in the same group have same:

Number of valence electrons

Density

Atomic radius

Nuclear charge

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Question 6 of 20

7. The electronic configuration of an element with atomic number (Z = 11) is 1s², 2s², 2p⁶, 3s¹. The symbol of the element is:

Li

Cs

Rb

Na

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Question 7 of 20

8. How many orbitals are filled in second period?

6

3

1

4

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Question 8 of 20

9. The 3d transition series starts from which atomic number?

19

21

20

22

Your comments:

Question 9 of 20

10. The lanthanoid series starts with:

Thorium

Lutetium

Lawrencium

Cerium

Your comments:

Question 10 of 20

11. What is the principal quantum number for second period?

1

3

2

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Question 11 of 20

12. The first period has how many orbitals?

1

3

2

4

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Question 12 of 20

13. The elements beyond atomic number (Z = 92) are known as:

carbon family

oxygen family

trans fermium elements

Transuranium elements

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Question 13 of 20

14. The last element of actinoid series is:

Lutetium

Thorium

Cerium

Lawrencium

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Question 14 of 20

15. The maximum number of elements present in seventh period of the modern periodic table is:

32

8

2

18

Your comments:

Question 15 of 20

16. The Latin word commonly used for the digit 9 is:

Hex

Nil

Quad

Enn

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Question 16 of 20

17. What is the maximum number of electrons that can be filled in 3d subshell?

2

14

6

10

Your comments:

Question 17 of 20

18. Elements in the same vertical group of the Modern Periodic Table have same:

Number of protons

Atomic number

Number of electrons

Electronic configuration of outermost shell

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Question 18 of 20

19. The distribution of electrons into orbitals of an atom is called its:

Electronic configuration

Atomic configuration

Molecular configuration

Configuration

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Question 19 of 20

20. The symbol for element with atomic number 111 and name Unununnium is

Uun

Uuu

UUU

UuU

Your comments:

Question 20 of 20

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