The elements in the modern periodic table are arranged on the basis of their increasing atomic number. [NCERT Exemplar]
A. Only (i)
B. (i), (ii) and (iii)
C. (i), (ii) and (iv)
D. Only (iv)
Answer:B
The elements in the modern periodic table are arranged on the basis of their increasing atomic number. [NCERT Exemplar]
A. Only (i) B. (i), (ii) and (iii) C. (i), (ii) and (iv) D. Only (iv)