Bohr Diagrams and Lewis Dot Structures

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

Tags

NGSS.HS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.HS-PS1-1

How many electrons does potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

Tags

NGSS.HS-PS1-1

Name this element.

• argon

• fluorine

• neon

• phosphorus

• chlorine

Tags

NGSS.HS-PS1-1

How many valence (outer) electrons does an Oxygen atom have?

• 2

• 6

• 8

• 16

Tags

NGSS.HS-PS1-1

What element is being modeled here?

• Carbon
• Oxygen
• Lithium
• Silicon

Tags

NGSS.HS-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.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of a neutron?

• Positive
• Negative
• Neutral/no charge

What group does this element belong to?

• Group 1: Alkali metals
• Group 18: Noble Gases
• Group 2: Alkaline-Earth Metals
• Group 17: Halogens

Tags

NGSS.HS-PS1-1

What is the atom called when there is adding or removing electrons creates atoms with (+) or (-) charges?

• isotopes

• ions

• neutral

• stable