How is the radius of a metal atom measured?

• the distance between two adjacent atoms in a crystal lattice

  
  

• the distance between two identical atoms in a molecule

  
  

• one-half the distance between two adjacent atoms in a crystal lattice

  
  

• one-half the distance between two identical atoms in a molecule

  
  

Moving left to right within a period, atomic radius generally ______.

• stays the same

  
  

• increases

  
  

• decreases 

  
  

• increases, then decreases

  
  

Moving down within a group, atomic radius generally ______.

• stays the same

  
  

• increases 

  
  

• decreases 

  
  

• increases, then decreases

  
  

Moving left to right within a period, first ionization energy ______.

• stays the same

  
  

• increases

  
  

• decreases 

  
  

• increases, then decreases

  
  

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms tend to gain, lose, or share electrons in order to acquire how many valence electrons?

• 0

• 6

• 8

• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2