Q. There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as
A) isochores
B) isotones
C) isotopes
D) isobars
✔ Correct Answer: isobars
Exam Insight
-
A) isochores
B) isotones
C) isotopes
D) isobars
✔ Correct Answer: isobars
-
Explore educational articles, current affairs, science, technology, history, politics, business and hundreds of learning resources organized into categories.
Explore the most searched educational topics.
Explore Sarkari Jobs, Admit Cards & Results easily on TutorliV
Practice topic-wise MCQs for competitive exams like SSC, UPSC, Banking & more.