Questions

".INI" is an extention for all the configuration files in the system. 

Hence, .ini is an extension for System files.

When combining with nonmetallic atoms, metallic atoms generally will Lose electrons and forms cations.

As the ionization energy of te metals are very low, so they can easily lose electrons and form positively charged ion called cations.

SiCl4 is a non polar as the forces of attraction between the shared pair of electrons are equal and the molecule is symmetric.

Central Processing Unit is the main part of the computer.

CPU chip or main processor is that part in the computer which performs or executes all the instructions or programs.