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Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f

Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?