You will need to draw the Lewis electron dot structure for each compound or ion

Question

You will need to draw the Lewis electron dot structure for each compound or ion before answering the questions below. For each question, remember each of the following represents one group: a single bond, a double bond, a triple bond, or a non-bonding pair of electrons (lone pair). Thus a compound with two single bonds and a double bond on the central atom would have three total groups. Likewise, a compound with a single bond, a double bond, and a lone pair of electrons would have three total groups.

In methane, CH4, the total number of groups on the central atom is

Question 1 options:

one

two

three

four

some other number

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Question 2 (1 point)

As you answer the following questions remember that when you are counting the number of bonding groups on a central atom you do not count the lone pairs (non-bonding pairs). Thus the compound with two single bonds and one double bond would have three bonding groups, however, the compound with one single bond, one double bond, and one lone pair would only have two bonding groups.

In methane, the number of bonding groups on the central atom is

Question 2 options:

one

two

three

four

some other number

one

two

three

four

some other number

Explanation / Answer

1)four

2)four

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