Its work ability should be what you need<span />
You are right, it's CA Calcium, 40.08, Group 2 and Row 4.
<span>NaCl (halite) or KCl (sylvite) </span>
Binary compounds<span> are easy to </span>name<span>. The cation is always </span>named<span> first and gets its </span>name<span> from the </span>name <span>of the element. For example, K+ is </span>called<span> a potassium </span>ion<span>. An anion also takes its </span>name<span> from its element, but it adds the suffix -ide to it.</span>