Question

Element 'A' (with minimum atomic number) in which last electron has n+m>3 but divisible by 3. How many given statements are correct about A? (n=Principal quantum number, m=magnetic quantum number) (i) Sum of group number and period number (in Modern Periodic table) is even number. (ii) Element belongs to s-block (iii) Element belongs to IIIA group number (iv) Element is a metal (v) Atomic number of element is divisible by 3. (vi) Another element B has an atomic number=atomic number of A+10, then element B belongs to IIIB group (vii) Element A has largest radius in their period. (viii) The group in which element is present, has maximum elements in the Modern Periodic Tab

Answer 1