How Many Neutrons Does Calcium Have Class 10 Chemistry CBSE

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AnswerQuestion Answers for Class 12Class 12 BiologyClass 12 ChemistryClass 12 EnglishClass 12 MathsClass 12 PhysicsClass 12 Social ScienceClass 12 Business StudiesClass 12 EconomicsQuestion Answers for Class 11Class 11 EconomicsClass 11 Computer ScienceClass 11 BiologyClass 11 ChemistryClass 11 EnglishClass 11 MathsClass 11 PhysicsClass 11 Social ScienceClass 11 AccountancyClass 11 Business StudiesQuestion Answers for Class 10Class 10 ScienceClass 10 EnglishClass 10 MathsClass 10 Social ScienceClass 10 General KnowledgeQuestion Answers for Class 9Class 9 General KnowledgeClass 9 ScienceClass 9 EnglishClass 9 MathsClass 9 Social ScienceQuestion Answers for Class 8Class 8 ScienceClass 8 EnglishClass 8 MathsClass 8 Social ScienceQuestion Answers for Class 7Class 7 ScienceClass 7 EnglishClass 7 MathsClass 7 Social ScienceQuestion Answers for Class 6Class 6 ScienceClass 6 EnglishClass 6 MathsClass 6 Social ScienceQuestion Answers for Class 5Class 5 ScienceClass 5 EnglishClass 5 MathsClass 5 Social ScienceQuestion Answers for Class 4Class 4 ScienceClass 4 EnglishClass 4 MathsHow many neutrons does calcium have?AnswerVerified564.3k+ viewsHint: For an atom Atomic number (${\text{Z}}$) is always equal to the number of electrons or number of protons and Atomic mass (${\text{A}}$) is equal to the sum of the number of neutrons and protons.Complete answer: In the periodic table calcium is denoted as ${}_{{\text{20}}}^{{\text{40}}}{\text{Ca}}$, where upper quantity describes the atomic mass (${\text{A}}$) and lower quantity describes the atomic number (${\text{Z}}$).-As we know that: Atomic number (${\text{Z}}$) = No. of electrons = No. of protonsFrom above relation it is clear that, number of electrons which are present outside the nucleus in the orbital of calcium atom is equal to $20$ and number of protons which are present inside the nucleus is also equal to $20$, because the atomic number (${\text{Z}}$) of silver is $20$.-Relation between atomic mass, protons and neutrons are described as follow:Atomic mass (${\text{A}}$) = No. of protons + No. of neutronsIt is known that, atomic mass of calcium = $40$And also we know that number of protons in calcium = $20$So, number of neutrons = Atomic mass (${\text{A}}$) - No. of protonsNo. of neutrons = $40 - 20 = 20$.Hence $20$ neutrons are present in calcium.Note: Here some of you may get confuse in the values of atomic mass (${\text{A}}$) and atomic number (${\text{Z}}$) which is denoted in the symbol of calcium, so always keep in mind higher value always describes the atomic mass.Recently Updated PagesMaster Class 10 Computer Science: Engaging Questions & Answers for SuccessMaster Class 10 General Knowledge: Engaging Questions & Answers for SuccessMaster Class 10 English: Engaging Questions & Answers for SuccessMaster Class 10 Social Science: Engaging Questions & Answers for SuccessMaster Class 10 Maths: Engaging Questions & Answers for SuccessMaster Class 10 Science: Engaging Questions & Answers for SuccessMaster Class 10 Computer Science: Engaging Questions & Answers for SuccessMaster Class 10 General Knowledge: Engaging Questions & Answers for SuccessMaster Class 10 English: Engaging Questions & Answers for SuccessMaster Class 10 Social Science: Engaging Questions & Answers for SuccessMaster Class 10 Maths: Engaging Questions & Answers for SuccessMaster Class 10 Science: Engaging Questions & Answers for Success

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