The halogens are
the most reactive metals.
the least reactive metals.
the least reactive nonmetals.
the most reactive nonmetals.
This group is considered inert:
alkali metals
transition metals
halogens
noble gases
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
Magnesium has a smaller atomic radius than Strontium due to
the effective nuclear charge.
shielding.
number of valence electrons.