Electron Dot Diagrams

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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many dots does one hydrogen atom have?

• one

• two

• eight

• more than one answer is correct

Tags

NGSS.HS-PS1-1

Why does chlorine form a single covalent bond?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-2

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

Tags

NGSS.MS-PS1-1

Which is the correct dot diagram for HNO (one atom of each)?

• 
• 
• 
•