WorksheetsElectron Dot Diagrams
Total questions: 16
Worksheet time: 25mins
Why does nitrogen form 3 covalent bonds?
Nitrogen loses three electrons when it forms covalent bonds.
Nitrogen gains three electrons when it forms covalent bonds.
Nitrogen requires five additional eelctrons to become stable.
Three covalent bonds to nitrogen complete its octet.
How many dots does one hydrogen atom have?
one
two
eight
more than one answer is correct
Why does chlorine form a single covalent bond?
Place the correct dots around oxygen
A molecule of NH3 has _ dots.
3
5
8
10
Why does NH3 NOT have 10 dots?
nitrogen is 7th element in the periodic table.
inner shell electrons are not valence electrons
hydrogen brings one dot per atom to the diagram.
nitrogen brings four dots to the diagram.
The correct dot diagram for NCl3
What was wrong with this one?
nitrogen lacks an octet
the number of dots is incorret
too many dots around nitrogen
chlorine lacks an octet
A molecule contains HNO, one of each of these atoms.
How many dots in the dot diagram for HNO?
8 dots
10 dots
12 dots
16 dots
Which is the correct dot diagram for HNO (one atom of each)?
What was wrong with this one?
More than one response may be correct.
nitrogen lacks an octet
oxygen cannot make a double bond.
nitrogen cannot make a double bond.
too few dots in this diagram.
H2NOH has two hydrogens attached to nitrogen, one hydrogen attached to oxygen, nitrogen and oxygen are attached to each other.
How many dots in H2NOH
12
14
15
18
H2NOH correct dot diagram
What's wrong with this for H2NOH
choose two...
too many dots
too few dots
two hydrogens should be attached to nitrogen
too many dots around oxygen
H2CO, how many dots?
8
10
12
16
H2CO correct dot diagram?
