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Chemistry 21 Online
OpenStudy (anonymous):

Help please...Place the following elements in order of decreasing atomic size: tellurium, bromine, argon, cesium, strontium, and selenium. can someone explain to me how to do this please.

OpenStudy (abb0t):

atomic size increases as you move \(\leftarrow\) and also as you move \(\downarrow\) across the periodic table.

OpenStudy (anonymous):

thank you

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