hhhhh11
hhhhh11
02-03-2017
Geography
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When an isotope is _____, it is called radioactive
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ShaunTheFlan
ShaunTheFlan
03-03-2017
when an isotope is unstable (has an unstable nucleus), it is called radioactive.
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Algebra 1 textbook pg 40 #29
(3 + 16.4a) − (9 + 5.7a) 22.1a + (−12) 1.07a + (−12) 22.1a + (−6) 10.7a + (−6)
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