Periodic Table and Trends Unit Review

Front

What is the smallest ion radius among P^-3, Cl^-1, and S^-2?

Back

Cl^-1 has the smallest radius.

Front

Which element has the largest atomic radius: Cesium, Lithium, Hydrogen, or Potassium?

Back

Cesium has the largest atomic radius.

Front

What is a positively-charged ion that forms when an atom loses electrons?

Back

Cation.

Front

According to Coulomb’s law, what happens to the force between two charged objects when the magnitude of the charge increases?

Back

The force increases.

Front

Which ion has the largest radius: Ca⁺², K⁺¹, or Ga⁺³?

Back

K⁺¹ has the largest radius.

Front

Define atomic radius.

Back

The distance from the nucleus of an atom to the outermost shell of electrons.

Front

What trend is observed in atomic radius as you move down a group in the periodic table?

Back

Atomic radius increases as you move down a group.

Front

What trend is observed in atomic radius as you move across a period from left to right?

Back

Atomic radius decreases as you move from left to right across a period.

Front

What is an anion?

Back

An anion is a negatively charged ion formed when an atom gains electrons.

Front

What is the relationship between ionization energy and atomic radius?

Back

Ionization energy generally increases as atomic radius decreases.