Flashcards on Classification of Elements

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What is the classification of elements based on their physical and chemical properties called?

Periodic Table

Which scientist is credited with creating the first classification of elements?

Dmitri Mendeleev

How are elements organized in the Periodic Table?

By increasing atomic number

What are the rows in the Periodic Table called?

Periods

What are the columns in the Periodic Table called?

Groups

Which group of elements is known as the Alkali Metals?

Group 1

Which group of elements is known as the Halogens?

Group 17

Which group of elements is known as the Noble Gases?

Group 18

What property of elements increases as you move from left to right in a period?

Electronegativity

Which element has the atomic number 1?

Hydrogen

Which element has the atomic number 79?

Gold

Which element has the symbol Fe?

Iron

Which element has the symbol Ag?

Silver

Which element has the symbol C?

Carbon

Which element has the symbol Au?

Gold

What is the classification of elements based on their physical and chemical properties called?

Periodic Table

Which scientist is credited with creating the first classification of elements?

Dmitri Mendeleev

How are elements organized in the Periodic Table?

By increasing atomic number

What are the rows in the Periodic Table called?

Periods

What are the columns in the Periodic Table called?

Groups

Which group of elements is known as the Alkali Metals?

Group 1

Which group of elements is known as the Halogens?

Group 17

Which group of elements is known as the Noble Gases?

Group 18

What property of elements increases as you move from left to right in a period?

Electronegativity

Which element has the atomic number 1?

Hydrogen

Which element has the atomic number 79?

Gold

Which element has the symbol Fe?

Iron

Which element has the symbol Ag?

Silver

Which element has the symbol C?

Carbon

Which element has the symbol Au?

Gold

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