Atomic Radius, Electronegativity and Ionization Trends

Looking at atoms in the same group/family, what factor affects Coulombic attraction?

• number of protons
• distance from the nucleus

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Looking at atoms in the same valence energy level, what factor affects Coulombic attraction?

• number of protons
• distance from the nucleus

Tags

NGSS.HS-PS2-4

Ionization energy is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

Electronegativity is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

As the Coulombic attraction increases the atomic radius: increases or decreases?

• increases
• decreases

Tags

NGSS.HS-PS2-4

Which element has the smaller atomic radius: potassium (K) or bromine (Br)?

• potassium (K)
• bromine (Br)

As the Coulombic attraction in an atom increases, the energy needed to remove an electron: increases or decreases?

• increases
• decreases

Tags

NGSS.HS-PS2-4

Which element has the greatest ionization energy: Aluminum (Al)    or    Chlorine (Cl)?

• Aluminum (Al)
• Chlorine (Cl)

Tags

NGSS.HS-PS1-1

As the Coulombic attraction of an atom increases, the electronegativity of the atom: increases or decreases?

• increases 
• decreases

Tags

NGSS.HS-PS2-4

Which element has the greatest electronegativity: Nitrogen (N) or Arsenic (As)?

• Nitrogen (N)
• Arsenic (As)

Tags

NGSS.HS-PS1-2