everyday science MCQ #49594

In the periodic table, elements in the same vertical column are called a:

everyday science MCQ #49594

  1. Question 1

    Q1. In the periodic table, elements in the same vertical column are called a:

    • A) Period
    • B) Group
    • C) Series
    • D) Block

    Answer: Group

    Explanation: In the periodic table, a vertical column is called a group (or family); elements in the same group have the same number of valence electrons and therefore similar chemical properties, while a horizontal row is called a period.