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Mathematics 7 Online
OpenStudy (anonymous):

Marks: 1 Each family in the periodic table has its own characteristic properties based on the number of _____________. Choose one answer. a. neutrons b. protons c. valence electrons

OpenStudy (geometry_hater):

Why couldnt you post this in the right section?

OpenStudy (anonymous):

no one is in there you guys are experts at this... please help me

OpenStudy (lilg132):

we are not unforuately =(

OpenStudy (geometry_hater):

im always in the biology section (when im online)

OpenStudy (anonymous):

what section is it again?

OpenStudy (geometry_hater):

Biology it should be a little down when you click join more groups

OpenStudy (2bornot2b):

The answer is valence electrons..

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