Ch. 5 The Periodic Table

Question 1

describes something that occurs or repeats and regular intervals

Answer 1

periodic

Question 2

the law that states that repeating chemical and physical properties of elements change periodically with the atomic numbers of the element

Answer 2

periodic law

Question 3

in chemistry, a horizontal row of elements in the periodic table

Answer 3

period

Question 4

a vertical column of elements in the periodic table; elements in a group share chemical properties

Answer 4

group or family

Question 5

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

Answer 5

alkali metals

Question 6

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

Answer 6

alkaline-earth metals

Question 7

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

Answer 7

halogen

Question 8

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

Answer 8

noble gas