Periodic table Flashcards
1
Q
What is the trend in ionisation energies across a period?
A
Increasing
2
Q
What is the trend in ionisation energies down a group?
A
Decreasing
3
Q
What is the most electronegative element?
A
Flourine
4
Q
Name the 4 blocks of the periodic table
A
s, p, d, f
5
Q
What is the trend in atomic radius across a period?
A
Decreasing
6
Q
What is the trend in atomic radius down a group?
A
Increasing
7
Q
What is the trend in melting points across a period?
A
Increases to a sharp peak then declines rapidly
e.g. period 3
Na, Mg, Al have metallic bonding
Si has giant covalent structure
P, S, Cl, Ar small covalent molecules
