Which is an example of a covalent bond?

select one of the options below as your
a. chlorine accepts an electron from calcium to form a stable bond.
b. ions in a bar of pure iron are surrounded by a large number of valence electrons.
c. there are less than 16 valence electrons in 2 chlorine atoms, but they form a stable bond.

Acar tire contains 0.0380 m^3 3 of air at a pressure of 2.20 ×10^{5} 5 n/m^2 2 (about 32 psi). how much more internal energy does this gas have than the same volume has at normal atmospheric pressure, 1.01x10^5 5 pa?

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

Aballet student who learns with the of his instructor is demonstrating learning.