Cell phones use digital signals to send amd receive information. these digital signals travel as what kind of wave? A. gamma rays
B. x-rays
C. microwaves
D. radio waves

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explanation:

covalent bonds

consist of pairs of electrons shared by two atoms, and bind the atoms to fixed orientation and requre high energies to break them

ionic bonds

when two atoms differ considerably in their electronegativity, then one of the atoms will lose its electron to the other atom. this results in a positively charged ion(cation) and a negatively charged ion (anion)

what does the table look like