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OpenStudy (anonymous):

Write the formula formed when Ca2+ and O2- join.

OpenStudy (somy):

any guesses?

OpenStudy (anonymous):

No

OpenStudy (somy):

well look at it this way they say 'join' so Ca + O ---> join these

OpenStudy (anonymous):

Okay Thanks and why water is not a polymer?

OpenStudy (somy):

np :)

OpenStudy (somy):

i answered in your other account :)

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