Atomic Properties Flashcard

Front

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

Back

It increases.

Front

Which element is more electronegative, sulfur (S) or oxygen (O)?

Back

Oxygen (O) is more electronegative than sulfur (S).

Front

Which of the following elements has the smallest atomic radius: Potassium (K), Calcium (Ca), Scandium (Sc), or Titanium (Ti)?

Back

Potassium (K) has the smallest atomic radius.

Front

As you move from left to right across a period in the periodic table, what generally happens to the atomic radii?

Back

The atomic radii generally decrease.

Front

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

Back

Electronegativity generally decreases as you move down a group.

Front

Define ionization energy.

Back

Ionization energy is the energy required to remove an electron from an atom in its gaseous state.

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

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

Back

The atomic radius generally increases as you move down a group.

Front

Explain why ionization energy increases across a period.

Back

Ionization energy increases across a period due to increased nuclear charge, which attracts electrons more strongly.

Front

What is the relationship between atomic radius and ionization energy?

Back

Generally, as atomic radius decreases, ionization energy increases.