Chemical Periodicity Flashcards
1
Q
What is the structure of group 1 to 8?
A
1,2,3= Giant metallic lattice 4= Metalloid 5,6,7= Simple molecular covalent 8= simple atoms
2
Q
What is the bonding of group 1 to 8?
A
1,2,3= metallic bonds (between cations and anions) 4= covalent bonds(between atoms) 5,6,7= intra=covalent = inter=weak vdw 8=atoms held by vdw
3
Q
Reactions with oxygen
Group element+formula+reaction
A
Na NaO burns yellow flame Mg MgO burns blinding white fla Al Al2O3 coating Si SiO2 coating P P2O3,P2O5 burns yellow flame S SO2,SO3 burns blue flame
4
Q
Reaction with oxygen
Structure+ oxidation+Nature
A
Na = Giant Ionic Lattice +1 Basic Mg = Giant Ionic Lattice +2 Basic Al = Giant Ionic Lattice +3 amphot Si = Giant Covalent +4 weak acid P = Simple Molecular +3 \+5 strong acid S = Simple Molecular +4 \+6 strong acid