Bohr Diagram, Lewis Structure and Valency

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

Tags

NGSS.MS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.MS-PS1-1

Identify the element in the picture

• Boron
• Carbon
• Nitrogen
• Lithium

Tags

NGSS.MS-PS1-1

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

What is a Lewis Dot Structure?

• It shows all of the particles in the atom.

• Contains protons and neutrons

• Only shows the element symbol and it's outer most electron shell

• Contains protons and electrons

Tags

NGSS.MS-PS1-1

This is a correct Lewis structure for oxygen (O)

• true

• false

The diagram below is the bohr model of an atom. Which best describes this atom?

• it has a full outermost shell

• it has 6 valence electrons

• it has a positive charge

• it has 6 electrons

Tags

NGSS.MS-PS1-1

What is the correct lewis dot diagram for Boron?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

What element it's been represented in the following image?

• Potassium

• Oxygen

• Nitrogen

• None of the above

Wht is the number of valence electrons for the following model?

• one

• two

• four

• five