Evidence of Chemical Reactions Answers
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Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pairs around the central atom could describe these molecules?
A
2 atoms and 2 lone pairs; 3 atoms and 0 lone pairsB
1 atom and 3 lone pairs; 2 atoms and 1 lone pairC
3 atoms and 1 lone pair; 3 atoms and 0 lone pairsD
2 atoms and 2 lone pairs; 2 atoms and 1 lone pair22
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A molecule has two atoms that are bonded to the central atom and one lone pair of electrons around this central atom. What is the shape of the molecule?
A
bentB
linearC
trigonal planarD
trigonal pyramidal23
Which compound contains only a nonpolar covalent molecule?
A
O2B
HClC
H2OD
NO324
Which statement about covalent compounds is true?
A
They are able to melt at high temperatures.B
They are poor conductors of heat.C
They have strong intermolecular attractions.D
They have atomic bonds that are easy to break.25
Consider the Lewis dot structures below, which represent the valence electrons of carbon (C) and chlorine (Cl). When these bond to make CCl4, what is the shape of a CCl4 molecule?
A
linearB
circularC
tetrahedralD
trigonal planarDid you find these answers helpful?
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