How can we help?

You can also find more resources in our Help Center.

Chapter 7

STUDY
PLAY
The effective nuclear charge experienced by an electron in a multi-electron atom increases when the number of nuclear protons increases. True or False?
True
Screening of the nuclear charge by core electrons in atoms is ________.
more efficient than that by valence electrons.
A tin atom has 50 electrons. Electrons in the __________ subshell experience the lowest effective nuclear charge.
5p
__________ is isoelectronic with argon and __________ is isoelectronic with neon.
Cl-, F-
Which one of the following has the smallest radius?
Cl
Oxides of most nonmetals combine with water to form __________.
an acid
The alkali metal that is used to treat manic-depressive illness is __________.
Li
Which noble gas has the lowest first ionization energy?
Radon
Which periodic table group contains only nonmetals?
8A