Magnesium has a smaller atomic radius than Strontium due to
the effective nuclear charge.
shielding.
number of valence electrons.
Which of the following is the definition of electronegativity?
The energy needed to remove an electron.
The ability to attract electrons.
The size of an atom.
How much protection valence electrons are provided by core electrons.
Which element is the least electronegative?
H
Mg
N
F
Ne
The ionization energy increases as you move across a period because
the effective nuclear charge increases as protons are added.
the effective nuclear charge decreases as protons are added.
shielding increases as shells are added.
shielding increases as electrons are added.