Because they are a united group, a team of instruments, a family!
Yes there a book called family to family
Well, it depends. Family is such a strong word. When u say immediate family, i believe ur referring to family thats not related. Even if your not related to someone, you could still be considered...
It comes from Greek words meaning "salt former", because the elements form salts in combination with metals.
The members are sulfur,selenium,tellurium,polonium