Period 2 Flashcards
0
Q
What is the trend in electronegativity across period 2?
A
It increases as we go across.
1
Q
What is the trend of first ionisation energies across period 2?
A
It generally increases apart from oxygen, which is lower than the trend would suggest due to having 2p4 which is more than half full, which means it has to double up, providing repulsion so it is easier to remove an electron.
2
Q
What is the trend in atomic radius as we go across period 2?
A
It generally decreases.
