chemistry unit 3 review

The periodic table is arranged by

• atomic mass

• atomic number

• atomic radius

• alphabetically

Elements within the same ______ share similar chemical and physical properties

• group

• period

The metals that are most reactive belong to which group

• transition metals

• alkaline earth metals

• alkali metals

• lanthanides

The transition metals belong to which subshell block

• s

• p

• d

• f

The p block contains (select all that apply)

• metals

• nonmetals

• metalloids

What element is found at 4s2

• K

• Ca

• V

• Ge

What group is the most reactive nonmetal

• noble gases

• halogens

• lanthanides

• actinides

Which group of elements are non-reactive

• halogens

• noble gases

• actinides

• lanthanides

What element is found at 3p5

• Cl

• Br

• Fe

• Ru

Actinides are all radioactive

• true

• false