This ListTwist will help you memorize the 7 Periods, the 18 Groups, the Lanthanoids, the Actinoids and all 118 chemical elements thanks to a rich combination of 93 digitally-enhanced studio recordings. The full text of each recording is also provided.
Contact our customer support team if you have any further questions.
We are here to help firstname.lastname@example.org
All the files have been checked with the use of antivirus software and they are 100% safe for you to use on your computer.
You will be redirected to Digital Product Delivery page.
Please confirm your choice:CONFIRM CANCEL
Payments processed by PayPal