Question

Which of the following does NOT have to have an octet of valence electrons to be stable?
a) F
b) Na
c) Cl
d) Fe
4. _____ An element with the electron configuration 1s2
2s2
2p6
3s2
3p6
4s2 will ionize to form a _____.
a) Anion
b) Cation
c) Neutral atom
d) None of the above
The salts NaCl (solid) and CaCl2 (solid) are
a) good conductors of electricity
b) positively charged
c) held together by ionic bonds
d) All of the above
10. _____ NH4
+
is known as a(n) __________________.
a) monatomic cation
b) monatomic anion
c) polyatomic cation
d) polyatomic anion

Answer 1

d) Fe
b) Cation
c) held together by ionic bonds
c) polyatomic cation