<span>NaCn contains an Na+ ion and a CN- negative ion, so it has an ionic bond. The CN ion is formed by a covalent bond of the carbon and nitrogen, so it also has a covalent bond. Therefore, the answer is NaCN.</span>
Answer:
D
Explanation:
the Same number of proton
Answer:
1 electron
Explanation:
Look at the periodic table
Li is the 3rd element
now write the electron configuration -> 1s^2 2s^1
the 2nd electron shell has 1 electron as shown above so its 1 electron
