Periodic Trends Size

Which is larger:
P or P^-3

• P
• P^-3
• both are same size

Which is larger

• Na

• Na+

Which is larger

• I

• I^-

Which is larger

• S

• S^2-

Which is larger

• Al

• Al³⁺

Which of the following represents the first ionization of an alkali metal atom

• Cl → Cl⁺ + e^-

• Ca → Ca⁺ + e^-

• K → K⁺ + e^-

• H → H⁺ + e^-

Tags

NGSS.HS-PS1-1

Which of the following ions is larger

• Ca²⁺

• Mg²⁺

Tags

NGSS.HS-PS1-1

Which ion is larger

• Cl^-

• P^3-

Which ion is larger

• Cu⁺

• Cu²⁺

Why are cations larger and anions smaller than their respective atoms?

• Cations are larger than their respective atoms because of decreased electron repulsion
• Cations are larger than their respective atoms because of increased electron repulsion
• Anions are smaller than their respective atoms because of increased effective nuclear charge