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is pcl4 polar or nonpolar
is ccl4 polar or nonpolar
is ccl4 polar or nonpolar molecule
is pcl3 polar or nonpolar
is pcl5 polar or nonpolar
is ccl4 polar or nonpolar or ionic
is pcl4f polar or nonpolar
is pcl polar or nonpolar
is pcl3 polar or nonpolar molecule
is pcl3 polar or nonpolar or ionic
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