Question 20 of 25 40 40 points draw the lewis

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Question 20 of 25 4.0/ 4.0 Points Draw the Lewis structure for the carbonate polyatomic ion. How many valence electrons does it have? A. 26 B. 24 C. 23 D. 18 E. 22 Feedback: Lewis dot structures are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
Question 21 of 25 4.0/ 4.0 Points Use Lewis theory to draw the structure of the compound containing 1 carbon and 4 chlorine atoms. What would you find surrounding the central atom of this ion?
Question 22 of 25 0.0/ 4.0 Points What is the electronic geometry around the central atom of the ammonium ion according to VSEPR theory?
Question 23 of 25 4.0/ 4.0 Points If the center atom has three groups of electrons around it, what type of electron geometry is present?
Question 24 of 25 4.0/ 4.0 Points In this lesson we discuss the difference between polar and nonpolar molecules, and how to use Lewis structures and geometry to determine the polarity. One, all, or none of these compounds below are polar. Which one(s)? A. NH 4 + B. none of these are polar C. Cl 2 O D. all of these are polar E. SiCl 4 Feedback: Polarity is also determined by the shape of a molecule. Molecules that are symmetrical tend to be nonpolar. Molecules that are asymmetrical tend to be polar.
Question 25 of 25 4.0/ 4.0 Points
According to the electronegativity table, the value for barium and sulfur is 0.9 and 3.5, respectively. What type of bond would you expect to form between these two elements?

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