5.2 Grouping the Elements

Question 1

alkali metals

Answer 1

one of the elements in Group 1 of the periodic table (Li, Na, K, Rb, Cs, Fr)

Question 2

alkaline-earth metals

Answer 2

one of the elements in Group 2 of the periodic table (Be, Mg, Ca, Sr, Ba, Ra)

Question 3

halogen

Answer 3

one of the elements in Group 17 of the periodic table (F, Cl, Br, I, At) halogens combine with most metals to make salts

Question 4

noble gas

Answer 4

one of the elements in Group 18 of the periodic table (He, Ne, Ar, Kr, Xe, Rn) noble gases are unreactive