Alcatuiti un mini eseu in care sa exp cxm se form ion de sodiu si ion de clor

Which metal exist in liquid state and can be cut with knife ?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out