Periodic Table Flashcards
1
Q
Uranium atomic no.
A
92
2
Q
Element predicted by mendeleev’s
A
Scandium , gallium , germsnium , technetium
3
Q
Anomalous pairs if elements
A
(Ar , k) , (te ,I) ( co , ni ) , (Th , Pa)
4
Q
Lanthanide series
A
58 - 71
57 is lanthanam itself
5
Q
Actinides series
A
Atomic no. 90 to 102
6
Q
First manmade element
A
Tc
