Solution of problem 227 of the collection of general ch

Pay with:
i agree with "Terms for Customers"
Sold: 1
Refunds: 0

Uploaded: 12.05.2017
Content: 227_Glinka.rar (9,1 kB)
Loyalty discount! If the total amount of your purchases from the seller Михаил_Перович more than:
200 $the discount is15%
show all discounts
1 $the discount is1%
If you want to know your discount rate, please provide your email:

Description

227. Is there an isotope 222Rn in nature with T1 = 3.2 days a) yes; B) No? Because: 1) the half-life of this isotope is much less than the time of the existence of the Earth; 2) this isotope is a member of the radioactive family; 3) radon has longer-lived isotopes.

Feedback

0
No feedback yet.
Period
1 month 3 months 12 months
0 0 0
0 0 0
In order to counter copyright infringement and property rights, we ask you to immediately inform us at support@plati.market the fact of such violations and to provide us with reliable information confirming your copyrights or rights of ownership. Email must contain your contact information (name, phone number, etc.)