An unknown element is a nonmetal and has a valence electron
configuration of ns2np4.
a. How many valence electrons does this element
have?
b. What are some possible identities for this
element?
c. What is the formula of the compound this element
would form with potassium?
d. Would this element have a larger or smaller
radius than barium?
e. Would this element have greater or smaller
ionization energy than fluorine?
Give the valence electron configuration of the atom and
monatomic ion of the element with the following ionization energies
and name the elelment if its in the 3rd period. Explain why you
make your selection:
1E1 1012
1E2 1900
1E3 2910
1E4 4960
IE5 6270
1E6 22200
1E7 27000
1E8 32500
Nonmetals gain electrons under certain conditions to attain a noble gas electron configuration. How many electrons must be gained by the element oxygen (O) to attain noble gas electron configuration?number of electrons: _______ Which noble gas electron configuration is attained in this process? neon argon krypton radon xenon helium
Nonmetals gain electrons under certain conditions to attain a noble gas electron configuration. How many electrons must be gained by the element sulfur (S) to attain noble gas electron configuration? number of electrons: _______ Which noble gas electron configuration is attained in this process? xenon radon neon krypton helium argon
1. What element is represented by the electron configuration 1s2
2s2 2p6 3s2 3p2 ? ____________
2. What element is represented by the orbital diagram:
_____________
3. Draw the orbital diagrams (box/line notation) for the
following species:
Mn2+ ____________________________________________
Cu ____________________________________________
4. Write the electron configuration for the following elements
and ions using spdf notation (without noble gas abbreviations):
Cr ____________________________________________
Si ____________________________________________
Fe2+ ____________________________________________
P 3- ____________________________________________
5. Write the electron configuration for the following elements
and ions using...
A. A main group element with the valence
electron configuration 2s1 is in
periodic group .
It forms a monatomic ion with a charge of .
B. A main group element with the valence electron
configuration 2s22p5 is in
periodic group .
It forms a monatomic ion with a charge of .
Enter the type
of subshell affected by the gain or loss of electrons.
DO NOT enter the specific subshell.
For example:
If electrons are added to the 3p...
A. A main group element with the valence
electron configuration
3s23p5 is in periodic
group_______ .
It forms a monatomic ion with a charge of ______.
B. A main group element with the valence electron configuration
3s1 is in periodic group_____ .
It forms a monatomic ion with a charge of _______.