Periodicity

The vertical columns on the periodic table are also called

• periods

• groups

• rows

• blocks

• none of these

Why do elements in a group share similar properties?

• they all possess electrons in the same energy levels

• they all share similar valence or outermost electrons

• they all exist in the same sublevel block on the periodic table

• they all have the same ionization energies

• their atomic sizes are similar, which relates to similar reactivity

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The horizontal arrangements on the periodic table are also called:

• groups

• periods

• rows

• blocks

• none of these

Which would be the correct abbreviated electron configuration for Aluminum?

• [Ne] 4s²4d²

• [Ne] 3s²3p¹

• [Ne] 4s²4p¹    

• [Ne] 3s²

• none of these

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Which of the following elements is MOST metallic-meaning, most wanting to give an electron away?

• Calcium

• Aluminum

• Potassium

• Lithium

• Magnesium

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How does reactivity change in the group 1 metals

• increases within the group as you descend down the periodic table

• decreases within the group as you descend down the periodic table

• depends upon the number of valence electrons that are being removed

• increased, then decreases for elements with more valence electrons

• none of these

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Which halogen is the most reactive

• flourine

• chlorine

• bromine

• iodine

• astatine

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What block of elements above is designated by letter M

• s block

• p block

• d block

• f block

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What block is designated by letter B

• s block

• p block

• d block

• f block

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What block is designated by letter C

• s block

• p block

• d block

• f block

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