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OpenStudy (anonymous):
3. Look at the positions of calcium, beryllium, and magnesium on the periodic table. Based on their locations, predict how many valence electrons these elements have and predict what the reactivity of these elements will generally be.
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OpenStudy (kc_kennylau):
|dw:1387093633456:dw|
OpenStudy (anonymous):
Ohh my god im an idiot i forgot it goes down THANKS
OpenStudy (anonymous):
i love you!!!!!!!!!!!!!!!
OpenStudy (kc_kennylau):
no problem :D
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