State the coefficient required to correctly balance the following chemical equation: __KCI + __Fe —-> __FeCI2+ __K

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?