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The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?
- a)15 16 X
- b)1615 X
- c)3115 X
- d)3116 X
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The number of electrons in the atom of an element X is 15 and the num...
Number of electron = Number of proton = Number of atomic Number
i.e., Number of proton = 15
Number of neutron = 16
Therefore mass number = Number proton + Number of neutron
= 15 + 16 = 31
Mass number Symbol of element i.e., 3115 X Atomic number.
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The number of electrons in the atom of an element X is 15 and the num...
Correct Representation of an Atom of Element X
To correctly represent an atom of element X, we need to consider the number of electrons and neutrons in the atom. Let's analyze the given information:
Number of electrons = 15
Number of neutrons = 16
The Atomic Number
The number of electrons in an atom is equal to its atomic number. Therefore, the atomic number of element X is 15.
The Mass Number
The mass number of an atom is the sum of protons and neutrons in its nucleus. Since the number of neutrons is 16, the mass number of element X is 15 + 16 = 31.
The Symbol
The symbol of an element represents its atomic symbol. In this case, the element is represented by the symbol X.
The Correct Representation
Based on the above analysis, the correct representation of an atom of element X is 3115 X. The atomic number (number of electrons) is written as a subscript on the left side of the symbol, and the mass number (sum of protons and neutrons) is written as a superscript on the left side of the symbol.
Therefore, the correct representation is option 'C': 3115 X.
To correctly represent an atom of element X, we need to consider the number of electrons and neutrons in the atom. Let's analyze the given information:
Number of electrons = 15
Number of neutrons = 16
The Atomic Number
The number of electrons in an atom is equal to its atomic number. Therefore, the atomic number of element X is 15.
The Mass Number
The mass number of an atom is the sum of protons and neutrons in its nucleus. Since the number of neutrons is 16, the mass number of element X is 15 + 16 = 31.
The Symbol
The symbol of an element represents its atomic symbol. In this case, the element is represented by the symbol X.
The Correct Representation
Based on the above analysis, the correct representation of an atom of element X is 3115 X. The atomic number (number of electrons) is written as a subscript on the left side of the symbol, and the mass number (sum of protons and neutrons) is written as a superscript on the left side of the symbol.
Therefore, the correct representation is option 'C': 3115 X.
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The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer?.
The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element?a)15 16 Xb)1615 Xc)3115 Xd)3116 XCorrect answer is option 'C'. Can you explain this answer?.
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