Bohr Models POP QUIZ

What is the maximum number of electrons that can occupy the first energy level in a Bohr model?

• 1

• 2

• 4

• 8

Which element has a Bohr model with 2 electrons in the first energy level and 1 electron in the second energy level?

• Helium

• Lithium

• Beryllium

• Boron

Identify the group and period of an element with a Bohr model showing 2 electrons in the first energy level and 8 electrons in the second energy level.

• Group 1, Period 2

• Group 2, Period 2

• Group 18, Period 2

• Group 16, Period 2

Determine the element with a Bohr model that has 2 electrons in the first energy level, 8 in the second energy level, and 1 in the third energy level.

• Sodium

• Magnesium

• Aluminum

• Silicon

Tags

NGSS.MS-PS1-1

Which element's Bohr model would have 2 electrons in the first energy level and 6 electrons in the second energy level?

• Carbon

• Nitrogen

• Oxygen

• Fluorine

This atom has an atomic number of ​ (a)   .

This atom has a mass number of ​ (b)   .

This atom has ​ (c)   valence electrons.

This element is in period ​ (d)  

• 8
• 16
• 6
• 24
• 2
• 12
• 10
• 3

Tags

NGSS.MS-PS1-1

Match the following

• Lithium

• 
• Potassium

• 
• Magnesium

• 
• Sodium

• 

Tags

NGSS.MS-PS1-1

A scientist is studying a Bohr model in his lab. Can you tell which element this Bohr model represents?

• Chromium

• Magnesium

• Carbon

• Krypton

Tags

NGSS.MS-PS1-1

What is the mass of this atom?

• 8

• 10

• 2

• 20

Looking at the Bohr model for Argon (Ar). How many energy levels does it have and number of valence electrons?

• 4 and 8

• 3 and 20

• 4 and 20

• 3 and 8

Tags

NGSS.MS-PS1-1