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In A Science Quiz Competition, Simran Are Asked A Question Where She Had To Choose The Statement Which Was/Were Incorrect?
- a)The vertical columns in a periodic table are called groups.
- b)There are 18 groups in the long form of periodic table.
- c)The elements in a group do not have consecutive atomic numbers.
- d)The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).
Correct answer is option 'D'. Can you explain this answer?
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In A Science Quiz Competition, Simran Are Asked A Question Where She ...
The groups 1 and 2, and 13 to 17 contain the normal elements (typical elements or representative elements). Group 18 elements are known as noble gases or inert gases. They are helium, neon, argon, krypton, etc. All the noble gases have 8 electrons in their outermost shells (except helium which has only 2 electrons in the K valence shell). Thus, the valence shells of all the noble gases are completely filled with electrons.
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In A Science Quiz Competition, Simran Are Asked A Question Where She ...
The correct answer is option 'D'. Let's break down each statement and explain why option 'D' is incorrect.
a) The vertical columns in a periodic table are called groups.
This statement is correct. In a periodic table, the elements are arranged in vertical columns called groups. Each group contains elements with similar chemical properties and the same number of valence electrons.
b) There are 18 groups in the long form of periodic table.
This statement is correct. The long form of the periodic table consists of 18 groups. These groups are numbered from 1 to 18 and are labeled with numbers and letters.
c) The elements in a group do not have consecutive atomic numbers.
This statement is correct. In a group, the elements have similar chemical properties because they have the same number of valence electrons. However, they do not have consecutive atomic numbers. For example, Group 1 contains elements with atomic numbers 1 (hydrogen), 3 (lithium), 11 (sodium), 19 (potassium), etc.
d) The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).
This statement is incorrect. The groups mentioned (2, 3, and 13 to 18) actually contain a mix of elements. Group 2 consists of alkaline earth metals, Group 3 consists of transition metals, Groups 13 to 18 consist of p-block elements, and Group 18 consists of noble gases. These groups contain elements with different properties and characteristics.
Therefore, option 'D' is incorrect because the groups mentioned do not contain only normal elements.
a) The vertical columns in a periodic table are called groups.
This statement is correct. In a periodic table, the elements are arranged in vertical columns called groups. Each group contains elements with similar chemical properties and the same number of valence electrons.
b) There are 18 groups in the long form of periodic table.
This statement is correct. The long form of the periodic table consists of 18 groups. These groups are numbered from 1 to 18 and are labeled with numbers and letters.
c) The elements in a group do not have consecutive atomic numbers.
This statement is correct. In a group, the elements have similar chemical properties because they have the same number of valence electrons. However, they do not have consecutive atomic numbers. For example, Group 1 contains elements with atomic numbers 1 (hydrogen), 3 (lithium), 11 (sodium), 19 (potassium), etc.
d) The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).
This statement is incorrect. The groups mentioned (2, 3, and 13 to 18) actually contain a mix of elements. Group 2 consists of alkaline earth metals, Group 3 consists of transition metals, Groups 13 to 18 consist of p-block elements, and Group 18 consists of noble gases. These groups contain elements with different properties and characteristics.
Therefore, option 'D' is incorrect because the groups mentioned do not contain only normal elements.
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In A Science Quiz Competition, Simran Are Asked A Question Where She Had To Choose The Statement Which Was/Were Incorrect?a)The vertical columns in a periodic table are called groups.b)There are 18 groups in the long form of periodic table.c)The elements in a group do not have consecutive atomic numbers.d)The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).Correct answer is option 'D'. Can you explain this answer?
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In A Science Quiz Competition, Simran Are Asked A Question Where She Had To Choose The Statement Which Was/Were Incorrect?a)The vertical columns in a periodic table are called groups.b)There are 18 groups in the long form of periodic table.c)The elements in a group do not have consecutive atomic numbers.d)The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).Correct answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about In A Science Quiz Competition, Simran Are Asked A Question Where She Had To Choose The Statement Which Was/Were Incorrect?a)The vertical columns in a periodic table are called groups.b)There are 18 groups in the long form of periodic table.c)The elements in a group do not have consecutive atomic numbers.d)The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In A Science Quiz Competition, Simran Are Asked A Question Where She Had To Choose The Statement Which Was/Were Incorrect?a)The vertical columns in a periodic table are called groups.b)There are 18 groups in the long form of periodic table.c)The elements in a group do not have consecutive atomic numbers.d)The groups 2 and 3, and 13 to 18 contain the normal elements (typical elements or representative elements).Correct answer is option 'D'. Can you explain this answer?.
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