What is the chemical formula for the ionic compound formed when elements of Ca and N react?
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"Suppose that I don't have a formula for #g(x)# but I know that #g(1)
= 3# and #g'(x) = sqrt(x^2+15)# for all x. How do I use a linear approximation to estimate #g(0.9)# and #g(1.1)#?"
1 Answer
Apr 25, 2014
Calcium nitride is a red-brown, crystalline solid made up of calcium and nitrogen. Its chemical formula is
(3 x Ca2+) = +6
(2x N3-) = -6
The net charge of the compound will be zero.
- Calcium nitride is formed along with the oxide, CaO, when calcium burns in air. It can be produced by direct reaction of the elements:
- 3 Ca + N2 → Ca3N2
Crystal structure - Cubic, cI80
