The effective nuclear charge experienced by an electron in a multi-electron atom increases when the number of nuclear protons increases. True or False?
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.
__________ is isoelectronic with argon and __________ is isoelectronic with neon.
Which one of the following has the smallest radius?
Oxides of most nonmetals combine with water to form __________.
The alkali metal that is used to treat manic-depressive illness is __________.
Which noble gas has the lowest first ionization energy?
Which periodic table group contains only nonmetals?
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.