A vertical column of elements in the periodic table

• group
• period
• periodicity
• series

Good conductors, lustrous, and malleable

• metals
• nonmetals
• metalloids
• semimetals

Poor conductors, brittle when solid, many are gaseous at room temperature

• nonmetals
• metals
• metalloids
• semimetals

A sample of this might have a metallic luster, be brittle, and be a semiconductor

• metalloid
• metal
• nonmetal
• noble gas

Horizontal rows in the periodic table

• period
• group
• family
• are numbered from 1-18

Which ion would be larger, Ca²⁺, K⁺, S^2- or Cl^-?

• Cl^-
• Ca²⁺
• K⁺
• S^2-

Group 7A

• halogens
• alkali metals
• alkaline earth metals
• noble gases

Family with highest energy level's s and p sublevels filled

• noble gases
• transition metals
• inner-transition metals
• series

Group 2 elements

• alkaline earth metals
• alkali metals
• halogens
• carbon family

Has an electron configuration ending in d

• transition metals
• inner transition metals
• p-block elements
• series