Ok, I will help you answer but it is very hard to read could you enlarge it first?
Thanks!
An electron has a negative charge of one
An neutron has no charge (hence, neutral)
An proton has a positive charge of one
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Answer:
NaOH
Explanation:
Look at charge Na has +1 charge and Ca has +2 charge after dissociation . Greater charge Stronger lattice. And as we need weak Lattice, so NaoH is stronger base than Ca(OH)2.
C) Tc-99 is a radioactive isotope also known as radioisoptope.