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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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