• Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • NCERT Solutions
    • NCERT Books Free Download
  • TS Grewal
    • TS Grewal Class 12 Accountancy Solutions
    • TS Grewal Class 11 Accountancy Solutions
  • CBSE Sample Papers
  • NCERT Exemplar Problems
  • English Grammar
  • MCQ Questions

CBSE Tuts

CBSE Maths notes, CBSE physics notes, CBSE chemistry notes

What is the isotopic symbol for an element with 47 protons and 68 neutrons?

What is the isotopic symbol for an element with 47 protons and 68 neutrons?

Answer:
\({ }_{47}^{115} \mathrm{Ag}\)

Explanation:
A neutral atom will have the same number of protons as electrons. So if the the atom has 47 electrons it will have 47 protons.

The element with 47 protons is silver Ag. Silver typically has a mass of 107.9. Which means the most common isotope of silver has 61 neutrons. An isotope with a mass of 115 \((47+68)\) would be very unstable and most likely radioactive.

47 electrons = 47 protons

The mass number equals protons + neutrons.

47+68=115

The isotope is silver 115.

\({ }_{47}^{115} \mathrm{Ag}\)

Primary Sidebar

NCERT Exemplar problems With Solutions CBSE Previous Year Questions with Solutoins CBSE Sample Papers

Recent Posts

  • How do I know if a double displacement reaction occurs?
  • NCERT Class 9 Science Lab Manual – Relationship Between Weight of a Body and Force Required to Just Move it
  • How would you calculate the final temperature of the mixture assuming no heat is lost to the surroundings?
  • Pair of Linear Equations in Two Variables Class 10 Maths CBSE Important Questions with Solutions
  • Factors and Multiples
  • Selina Concise Mathematics Class 7 ICSE Solutions Chapter 8 Percent and Percentage
  • NCERT Exemplar Problems Class 9 Science – Work and Energy
  • NEET Chemistry Notes Chemical Equilibrium-Salt Hydrolysis
  • NEET Chemistry Chapter Wise Mock Test – Some Basic Concepts of Chemistry
  • 1 mole of chlorine molecule has a mass 71 grams? Explain please.
  • Important Questions for CBSE Class 12 Chemistry Solutions
  • NCERT Solutions for Class 12 Physics Chapter 13 Nuclei
  • MCQ Questions with Answers for Class 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1 all Subjects
  • Angle, Types of Angles
  • AND gate is formed by using two? 1)OR 2)NAND 3)NOT 4)NOR

Footer

Maths NCERT Solutions

NCERT Solutions for Class 12 Maths
NCERT Solutions for Class 11 Maths
NCERT Solutions for Class 10 Maths
NCERT Solutions for Class 9 Maths
NCERT Solutions for Class 8 Maths
NCERT Solutions for Class 7 Maths
NCERT Solutions for Class 6 Maths

SCIENCE NCERT SOLUTIONS

NCERT Solutions for Class 12 Physics
NCERT Solutions for Class 12 Chemistry
NCERT Solutions for Class 11 Physics
NCERT Solutions for Class 11 Chemistry
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 9 Science
NCERT Solutions for Class 7 Science
MCQ Questions NCERT Solutions
CBSE Sample Papers
cbse ncert
NCERT Exemplar Solutions LCM and GCF Calculator
TS Grewal Accountancy Class 12 Solutions
TS Grewal Accountancy Class 11 Solutions