According to vsepr theory, in which fashion will the bonds and lone pairs of electrons be arranged about the central atom in the following molecules or molecular ions?

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shape must be one of above: linear, octahedral, tetrahedral, trigonal bipyramidal, trigonal planar

1. o3 molecule (the central atom is o.) ? ?

2.pcl4+ ion (the central atom is p.) ? ?

3. seo2 molecule (the central atom is se.) ? ?

Janel’s class studied properties of matter and how matter can change. janel decided she would do an experiment mixing baking soda and vinegar.question: describe the properties of baking soda and vinegar, and explain the changes that janel should see when she mixes the two types of matter. •first, identify the physical state of matter of baking soda. describe another property of baking soda. •next, identify the physical state of matter of vinegar. describe another property of vinegar. •then, explain what janel should see when she mixes the baking soda and vinegar. •describe the states of matter of the new materials that are formed. •explain how janel can be certain a change has occurred. me

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)