Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Classification of Elements and Periodicity in Properties Periodic Table
Which of the following statements is not correct regarding properties of elements from left to right across the periods of Periodic Table?
1
The elements become less metallic
2
The number of valence electrons increases
3
The atoms lose their electrons more easily
4
More than one of the above
5
None of the above