International Year of Periodic Table

Question 1

What is the occasion?Who declared

Answer 1

150th anniversary of organisation of periodic table.UNESCO Declared

Question 2

Who published first periodic table?

Answer 2

Dimitry Mendeleev

Question 3

What are components of table?

Answer 3

Chemical elements are organized by number of protons in given atom and other properties.

Question 4

How many rows?Columns?

Answer 4

7rows A.K.A. Periods

18 columns A.K.A. groups

Question 5

What is special of elements belonging to same group?

Answer 5

Show similar properties.

Question 6

What are categories of metals?

Answer 6

• Alkali
• Alkaline earth
• Basic
• transition
• Lanthanides
• Actinides

-Non metals are also present

Question 7

What is other name for lanthanides & actinides?

Answer 7

Inner transition metals

Question 8

What’s the use of table?

Answer 8

To derive relationships between different properties of metals

Question 9

What is IUPAC?

Answer 9

-International Union of Pure Applied Chemistry(IUPAC) maintains periodic table
-it represents chemists in individual countries
-
HQ:Zurich,Switzerland

• Established:1919
• Successor of International congress of Applied Chemistry for advancement of chemistry
• IUPAC Nomenclature is world authority in developing standards for naming of chemical elements & compounds.

Question 10

What is 1001 inventions?

Answer 10

• Initiative by UNESCO

- Help young people improve their understanding of chemistry & it’s numerous uses.