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Portable Network Graphic  |  1991-08-01  |  3.6 KB  |  512x342  |  4-bit (4 colors)
   ocr: 20 28 Which sketch best represents the following 19 18 Ir NH, 3 Nitrogen (familyv), makes 3bonds. with Polar hydrogen the molecule is pyramidal in 27 Nonpolar shape because of 4 areas of repulsion. A E . 3 C. 2D.F E - - - - 1A - - - - t - ag - - - - - - - 15 Click on the correct answer. 13 (allow 4 seconds to reset atter wrong answers)