Periodic Trends

Ionization energy is the...

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

Tags

NGSS.HS-PS1-2

Electronegativity is the...

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

Tags

NGSS.HS-PS1-2

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

• increases
• decreases

Tags

NGSS.HS-PS2-4

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

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

• potassium (K)
• bromine (Br)

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

• Nitrogen (N)
• Arsenic (As)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Looking at atoms in the same group/family (as you go down the periodic table), what factor affects Coulombic attraction?

• number of protons

• distance from the nucleus

Looking at atoms in the same valence energy level (as you go across the periodic table), what factor affects Coulombic attraction?

• number of protons

• distance from the nucleus

Tags

NGSS.HS-PS2-4

Groups (aka Families) all have similar

• Names

• atomic numbers

• atomic masses

• properties