Is NaF an acid or a base

The periodic table of the elements online

11, sodium (Na)

arab. neter = soda, baking soda

Acid-base behavior:

     
 HeyLiBe 
 NoN / AMg 
 ArKApprox 
     
                        

Acid / base behavior of the sodium oxides:

 Reactions with:
HF
100%
H2SO4
conc.
HCl
20%
CH3COOH
25%
H2ONH3
25%
NaOH 10%
cold
NaOH 50%
hot
NaOH liq.
400 ° C
N / A2ONaF (aq)N / A2SO4NaClCH3COONaNaOHNaOHNaOHNaOHNaOH
 
Legend:solution Insoluble acidic → neutral → alkaline 
 
 

pKS.Values ​​of acid-base pairs (HA + H2O ↔ H3O+ + A-) :

Acid nameformulapKS.-ValueBase nameformulapKB.-Value
Sodium ionN / A+14.56Sodium hydroxideNaOH -0.56