Which is the correct molecular formula for dinitrogen monoxide?
Required
3 points
3
Question 2
2.
How many valence electrons does Nitrogen have, and how many covalent bonds does it form?
Required
2 points
2
Question 3
3.
Polar covalent bonds tend to form between two atoms with what characteristics? (Choose the best answer)
Required
6 points
6
Question 4
4.
Which of the following covalent bonds would be most polar: C-Cl, C-F, Cl-F, F-F? Use the locations of these elements on the Periodic Table of Elements to support your answer.
Required
3 points
3
Question 5
5.
If you want to change the polarity of HBr (Hydrogen bromide) by substituting bromine with a different atom. Which atom would increase the polarity of the molecule?
Required
2 points
2
Question 6
6.
Which of the following chemical substances has a triple covalent bond?
Required
3 points
3
Question 7
7.
Which of the following statements about covalent bonds are true? Select all that apply.
Required
3 points
3
Question 8
8.
Chemistry students are learning about Lewis structures. Their instructor asks them to draw Lewis structures for carbon dioxide using both electron dots and bonds to show bonding relationships.
Which of the following Lewis structures are correct? Select all that apply.
Required
2 points
2
Question 9
9.
What is the name of the chemical with the formula SF6?