Which substances will make a salt when combined? vinegar and tea soda and wine soda and ammonia fertilizer and detergent

What conclusion can you draw from this experiment about the components of the black ink?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg

The lewis diagrams for magnesium and fluorine are shown below. what is the correct chemical formula for magnesium fluoride? a. mgf b. mg2f c. mgf2 d. mg2f3