abeka chemistry 11 section 7.3

probability contour

probability contour

three-dimensional image around the image; include 90% of the dots

electron configuration

complete arrangement of electrons in an atom

quantum numbers

any of the four numbers used to describe an electron in an atom

principle quantum number

quantum number that describes the electron shell

n

what’s the symbol for the principle quantum number?

2n²

fill in the blank

the maximum number of electrons in an electron shell is _____

1. energy

2. distance

3. number

4. size

fill in the blanks

as the value of n becomes larger, so do the following: 

1. The ________ of an electron in that shell, 

2. The electron’s most probable _________ from the nucleus, 

3. The _________ of electrons possible, and 

4. The ______ of the electron cloud

subshell

close group of orbitals within an electron shell

azimuthal quantum number (angular-momentum quantum number)

indicates the shape or type of subshell in which an electron is found

l

what’s the symbol for the azimuthal quantum number (angular-momentum quantum number)