Halogens are found in column 17. They are also referred to as the Fluorine family and have one valence electron. They are highly --- *
A. cations
B. charged
C. reactive
D. neutral.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

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