Periodic Table

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

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The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

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A vertical column is called...

• group
• tower
• period
• crew

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Which of the following is the most metallic element in period 3?

• Boron (B)
• Sodium (Na)
• Argon (Ar)
• Silicon (Si)

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Which of these element is the least metallic?

• Potassium (K)
• Carbon (C)
• Sulfur (S)
• Neon (Ne)

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The number at the bottom of each square on the periodic table is the ...

• atomic number
• atomic mass
• chemical symbol
• element name

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The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

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What is the chemical symbol for Lithium?

• H
• He
• Li
• N

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The months of the year are __________ because they repeat in the same order every 12 months.

• periodic
• group
• period
• halogens

Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.

• Alkali Metals
• Alkaline-earth metals
• Halogens
• Noble Gases

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