Chapter 5 Lesson 2

Question 1

alkali metal

Answer 1

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

Question 2

alkaline earth metal

Answer 2

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

Question 3

halogen

Answer 3

one of the elements of Group 17 on the periodic table (fluorine, chlorine, bromine, iodine, and astatine)

Question 4

noble gas

Answer 4

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