Chapter 5 Section 2

Question 1

alkali metal

Answer 1

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

Question 2

alkaline-earth meatl

Answer 2

one of the elements of 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 of the periodic table

Question 4

noble gas

Answer 4

one of the elements of group 18 of the periodic table