AT&T; 5:19 PM herkimer.open.suny.edu s Question Completion Status QUESTION 25 1

Question

AT&T; 5:19 PM herkimer.open.suny.edu s Question Completion Status QUESTION 25 1 points Saved Any molecule whose formula has the form AX3 is tetrahedral. False QUESTION 26 1 points Carbon dioxide has two non-bonded pairs. True False QUESTION 27 1 points ammonia, NH3, has three The nitrogen atom in bonds and one non-bonded pair of electrons. True O False QUESTION 28 1 points The number of bonds sulfur usually has is four True False QUESTION 29 1 points Bromine has seven valence electrons True False

Explanation / Answer

1. AX3 can't be tetrahedral its hybridization maybe sp3, for example, = NH3 ( sp3 hybridization but not tetrahedral)

2. CO2 has two non bonded electron pairs which are present on each oxygen elements.

3. it is correct statement NH3 has 3 bond pair and 1 electron pair

4. Silicon forms usually four bonds whereas sulfur forms two bonds

5. 17 group so bromine has 7 valence electrons.

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