Question 1
In which set do all elements tend to form cations in binary ionic compounds?
◦ K, Ga, O
◦ Sr, Ni, Hg
◦ N, P, Bi
◦ O, Br, I
Question 2
Maprotiline, a tetracyclic drug prescribed for the treatment of depression, has the following mass composition:
![](data:image/png;base64, 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ZQflH4peA/Cfwq8XRaVaeKtD8O6x4f8AD9mtnY+K47uX/hMJvPuJ1VLOzurQXbickFCt0A0wCxIf9Z694a/Zblg+IVz8QorTwLFqesXC63IniHwSl/q2mXzwLuWDUFuYnEaygMFZGYfMocAjbnFuWvTX8/lfS/a2l1qbSTjZX1/4Gvpq1bur22PRPA/7Svw9+I+s6XpmgatfXU+qLIbKafRb62trh40LyxJcSwrEZkAbfDu8xCjhlBVgPT68R8KfALxH4e0H4WWlz4w0y+1DwRqU1290mhSRR39vLBPA0Qj+1sYpNk7ESbnXIB8sjivbqpXaTe4r6sKKKKYwooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigD/9k=)
.
The empirical formula of maprotiline is ________.
◦ C
7H
8N
3 ◦ C
20H
23N
◦ C
87H
8N
5 ◦ C
3H
3N
◦ C
14H
14N