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Test: Periodic Classification of Elements - SSC CGL MCQ


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20 Questions MCQ Test - Test: Periodic Classification of Elements

Test: Periodic Classification of Elements for SSC CGL 2024 is part of SSC CGL preparation. The Test: Periodic Classification of Elements questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: Periodic Classification of Elements MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Periodic Classification of Elements below.
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Test: Periodic Classification of Elements - Question 1

Who is credited with the development of the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 1

Dmitri Mendeleev is credited with the development of the periodic table. He arranged the elements in order of increasing atomic weight and noticed a pattern of recurring properties.

Test: Periodic Classification of Elements - Question 2

What does the term 'periodic' in the periodic table refer to?

Detailed Solution for Test: Periodic Classification of Elements - Question 2

The term 'periodic' refers to the recurring trends in element properties. This pattern repeats each time the elements move one period down.

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Test: Periodic Classification of Elements - Question 3

How many periods are there in the modern periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 3

The modern periodic table contains seven periods, or horizontal rows of elements.

Test: Periodic Classification of Elements - Question 4

Which element is at the center of the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 4

Iron, located in the d-block of the periodic table, is roughly at the center.

Test: Periodic Classification of Elements - Question 5

Which group in the periodic table are the Noble Gases?

Detailed Solution for Test: Periodic Classification of Elements - Question 5

The Noble Gases are located in Group 0 (or Group 18 in some versions) of the periodic table.

Test: Periodic Classification of Elements - Question 6

What is the horizontal row in the periodic table called?

Detailed Solution for Test: Periodic Classification of Elements - Question 6

A horizontal row in the periodic table is called a period.

Test: Periodic Classification of Elements - Question 7

Which period in the periodic table contains the most elements?

Detailed Solution for Test: Periodic Classification of Elements - Question 7

The sixth period of the periodic table contains the most elements, 32 in total.

Test: Periodic Classification of Elements - Question 8

What property determines the placement of elements in the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 8

The placement of elements in the periodic table is determined by their atomic weight, atomic number, and electron configuration.

Test: Periodic Classification of Elements - Question 9

Who proposed the law of octaves in the classification of elements?

Detailed Solution for Test: Periodic Classification of Elements - Question 9

John Newlands proposed the law of octaves, which was an early attempt at classifying the elements.

Test: Periodic Classification of Elements - Question 10

Which element does not fit into any group in Mendeleev’s periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 10

Hydrogen does not fit into any group in Mendeleev’s periodic table due to its unique properties.

Test: Periodic Classification of Elements - Question 11

Which group of elements in the periodic table is known as halogens?

Detailed Solution for Test: Periodic Classification of Elements - Question 11

The halogens are located in Group 17 of the periodic table.

Test: Periodic Classification of Elements - Question 12

What is the basis for the modern periodic law?

Detailed Solution for Test: Periodic Classification of Elements - Question 12

The modern periodic law is based on atomic number, which is the number of protons in an atom's nucleus.

Test: Periodic Classification of Elements - Question 13

How many groups are there in the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 13

There are 18 groups, or vertical columns, in the periodic table.

Test: Periodic Classification of Elements - Question 14

Which element has the atomic number 1 in the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 14

Hydrogen has the atomic number 1, which means it is the first element in the periodic table.

Test: Periodic Classification of Elements - Question 15

Which element is located at the bottom right corner of the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 15

Radon, a Noble Gas, is located at the bottom right corner of the periodic table.

Test: Periodic Classification of Elements - Question 16

Which block in the periodic table contains the transition metals?

Detailed Solution for Test: Periodic Classification of Elements - Question 16

The d-block of the periodic table contains the transition metals.

Test: Periodic Classification of Elements - Question 17

Who is credited with the discovery of the lanthanides and actinides?

Detailed Solution for Test: Periodic Classification of Elements - Question 17

Glenn T. Seaborg is credited with the discovery of the lanthanides and actinides.

Test: Periodic Classification of Elements - Question 18

What is the maximum number of electrons that can be accommodated in the third shell?

Detailed Solution for Test: Periodic Classification of Elements - Question 18

The third shell of an atom can accommodate a maximum of 18 electrons.

Test: Periodic Classification of Elements - Question 19

What is the atomic number of the element Argon?

Detailed Solution for Test: Periodic Classification of Elements - Question 19

The atomic number of Argon, which indicates the number of protons in its nucleus, is 18.

Test: Periodic Classification of Elements - Question 20

What is the name of element 118 in the periodic table?

Detailed Solution for Test: Periodic Classification of Elements - Question 20

Element 118 in the periodic table is named Oganesson.

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