MEDIUM
AS and A Level
IMPORTANT
Earn 100

Predict a value for the first ionization energy for potassium, which has one more proton than argon.

Important Questions on Electrons in Atoms

MEDIUM
AS and A Level
IMPORTANT
Element X has the electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d8 4s2. State which block in the periodic table X belongs to.
EASY
AS and A Level
IMPORTANT
Element X having electronic configuration:1s22s22p63s23p63d84s2 forms an ion of type X2+.
Write the full electronic configuration for this ion using 1s2 notation.
MEDIUM
AS and A Level
IMPORTANT
Element X having electronic configuration:1s22s22p63s23p63d84s2 forms an ion of type X2+.
Write the symbol for the sub-shell that begins to fill after the 3d and 4s are completely full.
MEDIUM
AS and A Level
IMPORTANT
Give the equation representing the 1st Ionization energy of Magnesium.
MEDIUM
AS and A Level
IMPORTANT
Give the equation representing the 3rd ionization energy of magnesium.