Atoms and the Periodic Table

What is the purpose of arranging elements in the periodic table?

To show their chemical and physical properties (correct)

To display their symbols and names

To list them based on their atomic mass

To arrange them alphabetically

What are the elements in the far right of the periodic table called?

Transition metals

Alkaline earth metals

Alkali metals

Noble gases (correct)

How many different kinds of atoms are known to exist?

124

106 (correct)

118

92

What is the definition of an atom?

The smallest representative sample of an element Signup and view all the answers

How are the elements in each group of the periodic table characterized?

They have similar chemical and physical properties Signup and view all the answers

How are elements classified based on their physical properties?

By their metallic luster, ability to conduct electricity, and other properties Signup and view all the answers

The periodic table arranges the elements depending on their physical properties only.

False Signup and view all the answers

The symbols of elements are made up of one or two letters taken from the name of the element.

True Signup and view all the answers

The elements in the far right of the periodic table are called the transition metals.

False Signup and view all the answers

Elements that can be hammered into sheets, drawn out into wire, and are good conductors of heat and electricity are classed as nonmetals.

False Signup and view all the answers

All the members of a group in the periodic table have similar physical properties.

True Signup and view all the answers

106 different kinds of atoms are known to exist.

True Signup and view all the answers

Match the following with their classification based on physical properties:

Metals = Show a metallic luster when polished Nonmetals = Do not have properties of being drawn into wire or hammered into sheets Signup and view all the answers

Match the following with their group in the periodic table:

Noble gases = Far right of the periodic table Alkali metals = Group IA Alkaline earth metals = Group IIA Halogens = Group VIIA Signup and view all the answers

Match the following with their description in the periodic table:

Groups = Consist of a number of columns Periods = Horizontal rows Signup and view all the answers

Match the following with their representation in the periodic table:

Transition metals = Groups IIIB to IIB The 106 elements = Arranged in the periodic table Signup and view all the answers

Match the following with their symbol and name representation:

Atoms = Smallest representative sample of an element Element symbols = Made up of one or two letters taken from the name of the element Signup and view all the answers