The Periodic Table (Families and Trends) and Electron Config

Front

What is ionization energy?

Back

The energy it takes to remove an electron from an atom.

Front

What atom matches this electron configuration: [Xe] 6s² 5d⁹?

Back

Gold.

Front

What determines an element's identity?

Back

The number of protons in its nucleus.

Front

Who is credited with arranging the elements in the periodic table according to their properties?

Back

Mendeleev.

Front

Is this a correct dot diagram for nitrogen (N)?

Back

True.

Front

What is the definition of electronegativity?

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

What is the trend of ionization energy across a period?

Back

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

Front

What is the trend of atomic radius down a group?

Back

Atomic radius generally increases as you move down a group.

Front

What is the electron configuration for a neutral oxygen atom?

Back

1s² 2s² 2p⁴.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom that can participate in chemical bonding.