Periodic Properties of the Elements

These flashcards cover key concepts related to periodic properties and trends in atomic size, ionization energy, and electron affinity.

What is the largest element among As, Se, and P?

As (Arsenic) is the largest among the three.

Which element has the largest atomic size? Na, Be, Mg, or F?

Na (Sodium) has the largest atomic size.

Which ion has the largest size: K+, Cl-, Ca 2+, or S²-?

S²- (Sulfide ion) is the largest among these ions.

For Na, O, and Mg, which will have the largest second ionization energy?

O (Oxygen) will have the largest second ionization energy.

Which has the highest ionization energy among K, Ar, Ne, and Na?

Ne (Neon) has the highest ionization energy.

Which atom will have a negative electron affinity value?

Cl + e- =Cl- and H=-EA

A. K

B. Ar

C. F

D. Na

E. P

Cl (Chlorine) will have a negative electron affinity value.