The highly reactive elements in group 7a are known for forming salts. what are they called? a. transition metals b. metalloids c. halogens d. noble gases

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

Connect the whole numbers on the periodic table to indicate what they represent?