Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Structure of Atom
Which of the following statement is correct?
1. Rutherford's alpha-particle scattering experiment led to the discovery of the atomic nucleus.
2. Isotopes are atoms of the same element, which have different mass numbers.
1
Only 1
2
Only 2
3
Both 1 and 2
4
More than one of the above
5
None of the above