Chapter 1: Periodic Table Flashcards

Vocabulary flashcards covering fundamental periodic table concepts including groups, periods, atomic numbers, and periodic law from Chapter 1.

Periodic Table

An organized arrangement of chemical elements showing periodic behavior, structured by groups, periods, and atomic numbers according to periodic law.

Group

A vertical column (lumbkari column) in the periodic table containing elements with shared characteristics.

Period

A horizontal row of elements in the periodic table.

Periodic Law

The fundamental law (आवृत्ति कानून) governing the periodic table and the recurring behavior of elements.

Atomic Number

The specific number (परमाणु number) used to order elements in the periodic table, directly related to proton count.

Proton Number

The key number of protons associated with an element, used as a primary identifier for its placement in the periodic table.