Bohr Model

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

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

an element will always have the same number of 

• neutrons
• protons
• isotopes
• atoms

Tags

NGSS.MS-PS1-1

An element with five valence electrons is

• phosphorus
• oxygen
• beryllium
• rubidium

Tags

NGSS.MS-PS1-1

Which Bohr model represents Neon?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

How many electron energy levels does this element have?

• 1

• 2

• 3

• 0

Tags

NGSS.MS-PS1-1

What is the mass of this element

• 19

• 20

• 39

• 1

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

How many dots would a Lewis Dot structure of Helium have?

• 1
• 2
• 8
• 0

Tags

NGSS.MS-PS1-1

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2