Effective Nuclear Charge
What is effective nuclear charge?
The charge felt by the valence electrons.
What group on the periodic table does shorthand use?
Noble gases.
Who created the Bohr model?
Niels Bohr
Where is the p orbital located on the periodic table?
To the right of the periodic table.
Rows are ____ and columns are ____.
periods, groups
What is the equation for effective nuclear charge and what does each variable represent?
Zeff=Z-S
Zeff= effective nuclear charge
Z= # of protons
S= # of shielding electrons
How many valance electrons are in group 17?
7
What should you put in the center of the Bohr model?
The number of protons and neutrons.
What is the outer configurations of Pnictogens?
s2p3
What are the characteristics of halogens?
They are very reactive.
How many shielding electrons does carbon have?
2
Elements with a full subshell; full s-block, full d-block or full f-block are what order of stability?
Second order
What is the maximum of electrons that can fit in the 3rd orbital?
18
The principle quantum number represents?
The energy level/distance from the nucleus.
What group number does the group name chalcogens belong to?
Group 16.
In the following configuration, which electrons are the shielding electrons? 1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6
What is the shorthand electron configuration of Os on the periodic table?
[Xe]4f14 5d6 6s2
How many electrons are in the outermost shell in Zirconium?
2
How many electrons can f block hold on the periodic table?
14
What element is located in row 6, column 16?
Polonium
Which element has the largest effective nuclear charge?
Boron, Aluminum, Gallium
They all have an effective nuclear charge of +3
What alkali metal will you not be able to find in West Orange High School? Why?
Cesium, because it is very reactive.
How many electrons are in the outermost shell of K+ Bohr model?
What is the electron configuration for O-2?
1s22s22p6
Who created the first periodic table?
Mendeleev