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From smallest to largest put these in order of their atomic radius Mg, Ba,
Sr, Ca
O Ca, Mg, Ba, S
O Ra, Sr, Ca, Mg
Mg, Ca, Sr, Ra
Mg, Sr, Ra, Ca

From smallest to largest put these in order of their atomic radius Mg Ba Sr Ca O Ca Mg Ba S O Ra Sr Ca Mg Mg Ca Sr Ra Mg Sr Ra Ca class=

Respuesta :

Answer:

b

Explanation:

i jus did it