The true answer of covalent compounds is: c. they have low melting and boiling points.
covalent compounds is form of two or more nonmetal atoms bond by sharing valence electrons.
hope this help
<span>A Helium nucleus is likely to be unstable if it has no neutrons because the remaining protons will repel electromagnetically and basically cause the atom to fall apart. The neutrons could have helped in holding everything together, and not make the protons repel.</span>
Elements are represented by their symbols with the first letter capitalized and the rest in lowercase. Copper is represented by Cu and Bromine is represented by Br. When combined to for a compound, the format of the symbols remain. Hence, the correct format would be CuBr.
Thus, the answer is C: CuBr<span>.</span><span />
<span>Henry divides 1.060 g by 1.0 mL to find the density of his water sample.
</span>He should include THREE significant figures in the density value that hereports.
Your answer is
D. <span> D. The force of gravity pulling down on the vase and the force of the table pushing up on the vase are equal.</span>