Bromine is found in which block?

• s
• p
• d
• f

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

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

• 14
• 28
• 2
• 4

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NGSS.HS-PS1-1

How many valence electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electron configuration of an atom is 1s²2s²2p⁶.  The number of valence electrons in the atom is 

• 2
• 6
• 8
• 10

Tags

NGSS.HS-PS1-1

What is the electron configuration for this atom?

• 1s²2s²2p⁶
• 1s²2s²2p⁵
• 1s²2s²2p³
• 2s²2p³

Tags

NGSS.HS-PS1-1

How many valence Electrons does Copper Have?
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰4s¹

• 1
• 4
• 10
• 11

Tags

NGSS.HS-PS1-1

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle
• Groll Principle

Which orbital has the least amount of energy? 

• p orbital
• d orbital
• s orbital 
• What is an orbital?

Tags

NGSS.HS-PS1-1

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1