Chalcogens!

Atomic Structure

100

What is the atomic number of Oxygen?

8

200

What is the atomic number of Sulfur?

16

300

What is the atomic number of Selenium?

34

400

What is the atomic number of Polonium 

84

500

What is the atomic mass of Tellerium?

127.6 u

Where can I find them?

100

What is the exact location of Oxygen on the periodic table (Row and Column)?

Row 2, column 16

200

What is the exact location of Sulfur on the periodic table (Row and Column)?

Row 3, column 16

300

What is the exact location of Selenium on the periodic table (Row and Column)?

row 4, column 16

400

What is the exact location of Tellurium on the periodic table (Row and Column)?

Row 5, column 16

500

What is the exact location of Polonium on the periodic table (Row and Column)?

Row 6, Column 16

Types of Chalcogens

100

What is the First Chalcogen that shows up on the periodic table?

Oxygen 

200

What is the Second chalcogen that shows up on the periodic table?

Sulfur

300

What is the Third chalcogen that shows up on the periodic table?

Selenium

400

What is the Fourth chalcogen that shows up on the periodic table?

Tellurium

500

What is the Fifth chalcogen that shows up on the periodic table?

Polonium

Who discovered them?

100

Polonium  

Marie Curie

200

Oxygen 

Joseph Priestley

300

Sulfur 

Antoine Lavoisier

400

Tellurium 

Martin Heinrich Klaproth

500

Selenium 

Jöns Jacob Berzelius and Johan Gottlieb Gahn