Periodic Trends (AP CHEM)

Front

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

Back

The atomic radius tends to decrease as you move from left to right across a period.

Front

Which element has the smallest atomic radius among the following: Lithium (Li), Beryllium (Be), Boron (B), Carbon (C), Nitrogen (N), Oxygen (O), Fluorine (F)?

Back

Fluorine (F) has the smallest atomic radius.

Front

What is an anion?

Back

An anion is a negatively charged ion that is larger than the atom from which it formed.

Front

What is the trend in ionization energy as you move down a group in the periodic table?

Back

Ionization energy tends to decrease as you move down a group.

Front

Which element has the largest ionization energy among the following: Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr)?

Back

Helium (He) has the largest ionization energy.

Front

What is the charge of a chloride ion (Cl^-)?

Back

The charge of a chloride ion is negative.

Front

What happens to ionization energy as you move from left to right across a period in the periodic table?

Back

Ionization energy tends to increase as you move from left to right across a period.

Front

Define ionization energy.

Back

Ionization energy is the energy required to remove an electron from an atom in the gas phase.

Front

What is the relationship between atomic size and ionization energy?

Back

As atomic size decreases, ionization energy increases.

Front

Which group of elements generally has the highest ionization energies?

Back

Noble gases generally have the highest ionization energies.