Chapter 5 The Periodic Table

Question 1

describes something that occurs or repeats at regular intervals

Answer 1

periodic

Question 2

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

Answer 2

periodic law

Question 3

another name for metalloids

Answer 3

semiconductors

Question 4

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

Answer 4

period

Question 5

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

Answer 5

group

Question 6

another name for group

Answer 6

family

Question 7

when elements undergo the process of giving, taking , or sharing electrons with other atoms they are called _____

Answer 7

reactive

Question 8

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

Answer 8

alkali metal

Question 9

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

Answer 9

alkaline-earth metal

Question 10

metals that do not have individual group names

Answer 10

transition metals

Question 11

elements in the first row follow lanthanum, so they are called _____

Answer 11

lanthanides

Question 12

elements in the second row follow actinium, so they are called ____

Answer 12

actinides

Question 13

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

Answer 13

halogen

Question 14

one of the elements in group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon) noble gases are unreactive

Answer 14

noble gasea