Trends In The Periodic Table Flashcards
1
Q
Atomic radius
A
Half the distance between the nuclei of two atoms of the element joined together by a single covalent bond
2
Q
1st Ionisation Energy
A
The minimum energy required to remove the most loosely bound electron from an atom in its neutral gaseous state
3
Q
Formula for ionisation energy levels
A
1st: X(g) —— X(g)1 + e’1
2nd:X(g)1——X(g)*2 + e’1
4
Q
Electronegativity
A
The relative attraction an atom has for the shared pair of electrons in a covalent bond
5
Q
Screening effect
A
Inner electrons shield the outer electrons from the full force of the nuclear charge
6
Q
Effective nuclear charge
A
Nuclear charge - screening effect
