Elements in Period 3: Complete the table below. Deadline: 9/5/2020 (Saturday) 10pm 4SYi Online Homework
Element
Sodium, Na
11
Magnesium,Mg Aluminium,Al
12
13
Silicon,Si
14
Phosphorous,P
15
Sulphur,S
16
Chlorine,Cl
17
Argon.Ar
18
Atomic radius
+ explanation
Electronegativity
+explanation
-
Metal
/ non-metal
Physical State
Metal
Formula of
Oxides
Classify the
oxide as basic
oxide/ acidic
oxide/
amphoteric
oxide
And Write the
balanced
chemical
equations
involved
Na2O
Solid
Basic oxide
Na2O + 2HCl

2NaCl+H2O
Cl2O7
-
P2O5+6NaOH

2Na3PO4
+3H2O
可以不记
Cl2O7
+2NaOH

2NaClO4
+H2O
可以不记