In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?
The element with atomic number 12 has the same chemical properties as that of calcium. This is because both of them have the same number of valence electrons (2).
Calcium electronic is - 2,8,2
Element having atomic number 12 have - 2,8,2.
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 4 , Question 9: In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbe....
Comments