Answer: acid
Explanation: it dissolves in water to produce hydronium ion as the only positive ion
Answer:alkali metals
Explanation:
Answer:
2.107×10²⁴
no of moles=no of particles/Avogadro's number
3.5=X/6.02×10²³
by cross multiplication
3.5×6.02×10²³
=2.107 ×10²⁴
Galaxy
