Cations are always _________ than the parent atom and anions are always _________ than the parent atom.
Which terms best complete the sentence?
smaller, larger
smaller, smaller
larger, smaller
larger, larger
Lithium is in Group 1, Period 2 of the periodic table. Which statement describes the charge of the ion it typically forms?
It forms a cation with 2+ charge.
It forms an anion with a 1+ charge.
It forms an anion with a 1− charge.
It forms a cation with a 1+ charge.
The elements K, Ca, Se, Kr, and Ga all appear in Period 4 of the Periodic Table. Which arrangement, from left to right, orders them from largest to smallest in atomic size?
Ca, Ga, K, Kr, Se
K, Ca, Se, Kr, Ga
K, Ca, Ga, Se, Kr
K, Kr, Se, Ca, Ga
Based on their definitions, electron affinity could be considered the opposite of:
ionization energy
effective nuclear charge
shielding effect
nonmetallic character
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher electron affinity?
Oxygen
Rubidium
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher ionization energy?
Oxygen
Rubidium
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has the larger atomic radius?