What can be found touching the staircase?
the metalloids
What period is silver found in?
Period 5
Which atom is the smallest between Iron and Bromine?
Bromine
What effect minimizes the attraction between the positive nucleus and outer electrons?
shielding effect
Which element has the greatest ionization energy? Radon or Mercury
Radon
Elements 89-103 are known as the
Actinides
Within a period the elements will have the same number of
electrons
occupied energy levels
protons
neutrons
The 3rd electron will require ________ energy to remove than the 1st or 2nd electron.
more
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