Balanced:
1. <span>Na2O + H2O ---> 2NaOH
2. </span><span>K2O + H2O ---> 2KOH
3. </span><span>MgO + H2O ---> Mg(OH)2
4. </span><span>CaO + H2O ---> Ca(OH)2
5. </span><span>SO2 + H2O ⇄ H2SO3
6. </span>SO3 + H2O ---> H2SO4
All except by 2 were balanced.
HCl is an acid
C5H5N is a base
Cl- is a base
HC5H5N+ is an acid
The number of shells increase, the energy level their outer shell have decreases as we go down wards,
B
step-by-step explanation
Answer:
All the options are correct except "has 7 electrons"
Explanation:
