Which element has the lowest electronegativity of this group?
Which element has an outer orbital configuration of 2s^2 2 p^2?
Directions: Every question below contains two statements, I in the left-hand
column and II in the righthand column. For each question, decide if statement
I is true or false and whether statement II is true or false, and fill in the
corresponding T or F ovals in the answer spaces. *Fill in oval CE only if
statement II is a correct explanation of statement I.
I II
20. Si, with an atomic number of 14, will
probably exhibit an oxidation number of
+4 in a compound
BECAUSE
silicon is an element that is considered a
metalloid.
21. Nonmetallic atoms have larger ionic
radii than their atomic radii
BECAUSE
nonmetallic atoms generally gain electrons
to form the ionic state and increase the
size of the electron cloud.
22. Elements in the upper right corner of
the Periodic Table form acid anhydrides
BECAUSE
nonmetallic oxides react with water to
form acid solutions.
*Fill in oval CE only if II is a correct explanation of I.