5.2 grouping the Elements

Question 1

one of the elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium)

Answer 1

alkali metal

Question 2

one of the elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium)

Answer 2

alkaline-earth metal

Question 3

one of the elements of group 17 of the periodic table (fluorine, chlorine, bromine, iodine, and astatine); halogens combine with most metals to form salts

Answer 3

halogen

Question 4

one of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon); noble gases are unreactive

Answer 4

noble gas