Chemistry, 21.08.2019 05:50, ofmiceandkj1
To what element does thorium-230 (atomic number-90) decay when it emits an alpha particle (42he)?
a. 22688ra
c. 22886rn
b. 23090ra
d. 22286rn
Answers: 1
Chemistry, 22.06.2019 09:30, mimibear2932
One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)
Answers: 1
Chemistry, 22.06.2019 18:30, chinadoll24
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 19:00, montgomerykarloxc24x
Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
Answers: 2
To what element does thorium-230 (atomic number-90) decay when it emits an alpha particle (42he)?
Mathematics, 14.02.2020 22:04
Mathematics, 14.02.2020 22:04