A salt is an ionic compound which needs a positive charge ion and a negative ion charge to form a salt.This means that the pair of element should be a metal and non-metal.This is simply because metal atoms tend to lose negative charge electrons and form positive ions while non-metals tend to receive the electrons from the metal atom to form negative charge ions.So answer is Cl and Li.
Its A. wrote works praising one of the other philosophers who left no writing
All you need is :
one egg
vinegar
and a glass or bowl that is taller than the egg
tilt the glass when you put the egg in so it doesn't brake then pour vinegar in to cover the egg and watch as its shell disolves
Non-organic matter fits the gap perfectly.
Hope it helped!
