Cu(s) Cu2+(aq) + 2e−
How does the half equation show that copper atoms are oxidised?

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)