Four satellites are in orbit around the Earth. The heights of their four orbits are identical. The masses of the four satellites are given in the table. For which satellite is the gravitational pull of the Earth the strongest? Satellite A - 800 kg
Satellite B - 500 kg
Satellite C - 600 kg
Satellite D - 700 kg

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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)

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