What is specific heat a measure of? A. How much energy it takes to heat a substance B. How much energy it takes to vaporize a substance C. How much energy it takes to melt a substance D. How much energy it takes to break Chemical bonds

What element breaks down into yttrium-90?

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull