Trends in the Periodic Table

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

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The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

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Elements in a ..................have similar chemical properties.  

• period
• group
• row

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Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

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As you move down a group, atomic radius increases because - 

• you add more and more neutrons
• you add more and more protons
• you add more and more shells (energy levels)
• you add more atomic mass

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

• Magnesium (Mg)

• Sulfur (S)

• Francium (Fr)

• Titanium (Ti)

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Which element is located in period 4?

• Zirconium (Zr)

• Silicon (Si)

• Beryllium (Be)

• Iron (Fe)

Which element is located in period 4 and group 5?

• Vanadium (V)

• Zirconium (Zr)

• Niobium (Nb)

• Titanium (Ti)

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Which of these elements has the greatest atomic radius? 

• H
• N
• Cl
• Cs

What is the charge on a sodium ion?

• +2

• +1

• -2

• -1

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