Ground vs. Excited State Electrons

What is the ground state electron configuration of Bromine?

• 2-8-18-7
• 2-8-18-8
• 2-3
• 2-8-17-8

Tags

NGSS.HS-PS1-1

What are patterns made when excited electrons emit light of certain wavelengths?

• electromagnetic spectra
• atomic emission spectra
• spectroscopes
• prisms

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

Lowest energy state of an atom

• Ground
• Excited

How many valence electrons does Lithium have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Carbon have?

• 4
• 12
• 6
• 14

Tags

NGSS.HS-PS1-1

How many valence electrons does Oxygen have?

• 8
• 2
• 16
• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following must you do to draw a Lewis dot diagram?

• Decide if each atom shown will give up or accept neutrons.
• Determine if the elements involved are metals or nonmetals.
• Determine the number of electrons in the outermost energy level.
• Decide how many protons should be shown to represent a molecule.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What does the group number of each element in a representative family indicate?

• Electron configuration
• Valence electrons
• Noble gas
• Total number of electrons

How many valence electrons does Chlorine have?

• 1
• 7
• 17
• 35

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2