Periodic Trends Flashcard

Front

What is ionization energy?

Back

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

Front

Which element has a lower ionization energy than Scandium (Sc)?

Back

Calcium (Ca) has a lower ionization energy than Scandium.

Front

What is the trend of ionization energy across a period in the periodic table?

Back

Ionization energy generally increases from left to right across a period.

Front

What is the trend of ionization energy down a group in the periodic table?

Back

Ionization energy generally decreases from top to bottom within a group.

Front

Which two elements have similar properties?

Back

Barium and Calcium have similar properties.

Front

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

Back

Atomic size increases as you move down a group.

Front

Which element is larger: Potassium (K) or Calcium (Ca)?

Back

Potassium (K) is larger than Calcium (Ca).

Front

What is electronegativity?

Back

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

Front

How does electronegativity change across a period?

Back

Electronegativity increases from left to right across a period.

Front

How does electronegativity change down a group?

Back

Electronegativity decreases from top to bottom within a group.