Chemistry: Chapter 5 - The Periodic Law

What is the Periodic Law?

The arrangement of elements based on atomic number

What are the Lanthanides?

Elements with atomic numbers from 58 to 71

What defines the Actinides?

Elements with atomic numbers from 90 to 103

What are the Alkali metals?

Elements in group 1 of the periodic table Signup and view all the answers

Which region of the periodic table do elements with similar properties fall into?

Same column or group Signup and view all the answers

What organizes the elements in order of their atomic numbers?

Periodic Table Signup and view all the answers

Which group of elements is known as the Alkaline-Earth metals?

Group 2 Signup and view all the answers

What is the main characteristic of Transition Elements?

Typical metallic properties Signup and view all the answers

Which group of elements do the Halogens belong to?

Group 17 Signup and view all the answers

What is the definition of ionization energy?

The energy required to remove one electron from a neutral atom Signup and view all the answers

What is the definition of cation?

A positive ion Signup and view all the answers

What is the definition of electronegativity?

A measure of the tendency of an atom to attract electrons from another atom Signup and view all the answers

What is the definition of anion?

A negative ion Signup and view all the answers

What defines Atomic Radius?

The distance between the nucleus and the edge of the electron cloud Signup and view all the answers

What is the definition of valence electrons?

The electrons available to be lost, gained, or shared in the formation of chemical compounds Signup and view all the answers

What defines Ion?

An atom or group of bonded atoms that has a positive or negative charge Signup and view all the answers