Teaching DSSSB TGT Mock Test 2025 General Science Chemistry Basic Concepts of Chemistry

Na, Rb, K, Mg को परमाणु त्रिज्या के बढ़ते क्रम में व्यवस्थित कीजिये। 

1
K < Na < Mg < Rb
2
Mg < Na < K < Rb
3
Rb < K < Mg < Na
4
Na < K < Mg < Rb
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