Bohr Models

How many electrons can the first energy level hold?

• 1

• 2

• 8

• Unlimited

How many electrons can the second and third (for our intents and purposes) energy levels hold?

• 1

• 2

• 8

• Unlimited

An atom has a full first energy level and 7 electrons in its second level. How many electrons does this atom have?

• 2

• 7

• 9

• Need more information

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

All of the elements in a period have the same number of _____.

• energy levels

• valence electrons

• protons

• electrons

All of the elements in a group have the same number of _____.

• energy levels

• valence electrons

• protons

• electrons

Is this the correct Bohr model for silicon (Si)?

• Yes

• No

Is this the correct Bohr model for carbon (C)?

• Yes

• No

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.MS-PS1-1

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1