Astudent performed an experiment to determine the specific heat of an unknown metal

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the