The Periodic Table

In halogens, the range of density is big. Why is that?

• They are solids, liquids or gases
• They are all gases
• They are all solids
• They are gases and liquid

What do Chlorine, Bromine and Iodine have in common?

• They react easily with metals
• They are halogens
• They are metals
• They react easily with metals AND they are halogens

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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Dimitri found that there was a pattern of properties that repeated every ____ elements.

• 2
• 4
• 5
• 7

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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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NGSS.HS-PS1-1

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

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

Tags

NGSS.HS-PS1-1