Chemistry, 09.09.2021 06:30 morenodonaldo762
6) The first step in the decay series of 238U (238U to 234Th) has a half-life of 4.51 x 10'yr.
238U -> 234 Th
+ bX
for a, -18, y, and +18 type in the actual words alpha, beta, gamma and positron or the element
with the mass number (e. g. "Carbon-12")
Answers: 2
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Which other elements contain the same number of outer electrons as sodium
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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6) The first step in the decay series of 238U (238U to 234Th) has a half-life of 4.51 x 10'yr.
238...
Mathematics, 01.04.2021 19:10
Mathematics, 01.04.2021 19:10