Modern Atomic Theory for PreAP

Which is a particle of electromagnetic radiation with no mass that carries a quantum of energy?

• electron 
• neutron 
• microwave
• photon 

Tags

NGSS.HS-PS4-3

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

• electromagnetic spectra
• atomic emission spectra
• spectroscopes
• prisms

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Lowest energy state of an atom

• Ground
• Excited

Minimum energy that can be gained or lost by an atom. ( 1 photon) 

• 1000 KJ
• 1KJ
• coulomb 
• quantum 

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

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

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

The energy of an electron __________ as it moves further away from the nucleus

• increases
• decreases

When an atom has all of its electrons in the lowest energy orbitals available, the atom is  

• in ground state
• in excited state
• giving off light energy
• unstable