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 metals

Question 2

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

Answer 2

alkali-earth metals

Question 3

Groups 3-12 in which they don’t have individual names. they are less reactive than alkali metals and alkali-earth metals

Answer 3

transition metals

Question 4

shiny, reactive elements (metals) in the first row that follow lanthanum

Answer 4

lanthanides

Question 5

reactive element that can change into atoms of another element. they follow actinium in the second row

Answer 5

actinides

Question 6

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 6

halogen

Question 7

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

Answer 7

noble gas