Chemistry, 29.06.2019 05:30 sarahparah002
Thorium is an element that occurs naturally in the earth's crust. the only naturally occurring isotope of thorium is 232th and it is unstable and radioactive. the first step in the thorium decay chain is the emission of an alpha particle. which of these nuclei emerges from the decay? a) 22888ra b) 23086rn c) 23289ac d) 23892u
Answers: 1
Chemistry, 21.06.2019 20:30
When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product
Answers: 3
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
Chemistry, 22.06.2019 22:30
Which of the following molecules is polar? c3h7oh c2h5cooh
Answers: 1
Thorium is an element that occurs naturally in the earth's crust. the only naturally occurring isoto...
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