5.1 Arranging the Elements and 5.2 Grouping the Elements

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

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

Question 5

one of the elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium,

Answer 5

Alkali metal

Question 6

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

Answer 6

alkaline-earth metal

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 salts

Answer 7

halogen

Question 8

one of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon)

Answer 8

noble gas

Question 9

the elements properties followed a pattern that repeated every seven elements

Answer 9

periodic table of elements

Question 10

also known as meteoroids and also border the zigzag line on the periodic table

Answer 10

semiconducters

Question 11

also known as a group

Answer 11

family