Ions and Ionic Bonds

I've recently just started learning about Chemistry, and more specifically, Ions.

In class, we learned about how Valence Electrons are electrons located in the outer-most orbitals and how every atom (with the exception of Hydrogen and Helium), want $8$ valence electrons.

When possible, an atom will attempt to get rid, or add, an electron to get $8$ on its outermost shells. For example, Sodium and Chlorine.

We learned that it's easier for Sodium ($\ce{Na}$) to lose an electron to get the $8$ outer electrons it always wanted, and for Chlorine to receive that $1$ refuted electron. Then, they form an Ionic bond and you get Table salt!

But now, I'm wondering: what if that's not possible? What if you have an element such as Beryllium and Lithium? Would they simply not combine? Or would something else happen? I am confused.

• I'm not sure what you're really asking. But in general there are three types of bonds - ionic, covalent and metallic. Only the noble gases are relatively inert. // The octet in the Lewis dot model is a very limited way to show bonding, but it does work for a lot of molecules/compounds. – MaxW Sep 22 '16 at 0:00
• I'm just wondering if its possible to have Beryllium and Lithium to have an Ionic bond. I haven't learned about Covalent and Metallic though... – Frank Sep 22 '16 at 0:05
• Yes, both form ionic bonds. For example Beryllium sulfate en.wikipedia.org/wiki/Beryllium_sulfate and Lithium chloride en.wikipedia.org/wiki/Lithium_chloride – MaxW Sep 22 '16 at 0:26
• Are you talking about an ion bond between Be and Li? or between Be/Li and something else? I'm not sure what you're really asking – getafix Sep 22 '16 at 1:00
• @getafix Between Be and Li. – Frank Sep 22 '16 at 2:46