periodic table and periodic trends

Front

What is the tendency of an atom to attract a shared pair of electrons?

Back

Electronegativity

Front

How do atomic radii trends behave across periods and down groups in the periodic table?

Back

Atomic radii generally decrease along each period of the table, and increase down each group.

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

Which group of the periodic table is composed of inert (not reactive) gases?

Back

Noble gases

Front

Which element has lower electronegativity: Potassium or Sodium?

Back

Potassium is lower than Sodium.

Front

What is the definition of ionization energy?

Back

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

Front

What is the trend of ionization energy across a period?

Back

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

Front

What is the trend of ionization energy down a group?

Back

Ionization energy generally decreases down a group.

Front

What are the horizontal rows in the Periodic Table called?

Back

Periods

Front

What is the definition of atomic radius?

Back

Atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.