Exploring the Periodic Table of Elements for Kids

The video tutorial introduces the periodic table of elements, explaining what elements and atoms are. It covers the history of the periodic table, highlighting contributions by Mendeleev and Mosley. The structure of the table, including periods and groups, is discussed. The video also details specific elements like calcium, explaining atomic numbers and weights. It concludes with a review of key points, emphasizing the importance of the periodic table in understanding matter.

What is an element made of?

• Compounds

• Molecules

• A single kind of atom

• Multiple types of atoms

How many known elements are there?

• 94

• 100

• 118

• 150

Who first organized the elements into a table?

• Henry Mosley

• Dimitri Mendeleev

• Albert Einstein

• Isaac Newton

How did Mendeleev arrange the elements in his table?

• By color

• Alphabetically

• By atomic number

• By weight

What discovery led to the revision of Mendeleev's table?

• Isotopes

• Neutrons

• Electrons

• Protons

What are the horizontal rows in the periodic table called?

• Periods

• Columns

• Groups

• Blocks

What is the chemical symbol for calcium?

• C

• Ce

• Cl

• Ca

What is the atomic number of calcium?

• 22

• 20

• 24

• 18

Which letter is never used in the periodic table?

• J

• Q

• X

• Z

What is the Latin word for gold, which is used for its symbol?

• Plumbum

• Aurum

• Argentum

• Ferrum