AKS 3g: Bohr Model and electron configurations

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

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

• Yes

• No

Tags

NGSS.HS-PS1-1

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

• Yes

• No

Tags

NGSS.HS-PS1-1

What element is this the Bohr model of?

• Fluorine (F)

• Potassium (K)

• Aluminum (Al)

• Boron (B)

Tags

NGSS.HS-PS1-1

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

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.HS-PS1-1

An atom has a full first and second energy level and 8 electrons in its third level. This atom is neutral. What element is this atom?

• Chromium (Cr)

• Argon (Ar)

• Magnesium (Mg)

• Need more information

Tags

NGSS.HS-PS1-1

How many valence electrons does this element have?

• 12

• 8

• 2

• 10

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does this element have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2