Examlex
Which of the following is not a main group element?
Kindle
A brand of e-reader devices developed by Amazon, allowing users to buy, download, and read digital books.
E-text
Digitally published text that can be read on computers or other electronic devices, such as ebooks.
E-reader
A digital device designed for reading electronic books and other digital publications.
E Ink
A type of electronic paper display technology that mimics the appearance of ordinary ink on paper and is widely used in e-book readers and digital signage.
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