Periodic Table Trends Flashcard

Front

What happens to the atomic radius as you go from left to right within a period in the periodic table?

Back

It decreases.

Front

As you move down the periodic table, what causes atoms to get bigger?

Back

The atoms have more energy levels.

Front

Which element has the smallest ionization energy in Period 6?

Back

Cs.

Front

What happens to the atomic radius as you go from top to bottom within a group in the periodic table?

Back

It increases.

Front

How does electronegativity change from left to right within a period in the periodic table?

Back

It increases.

Front

Define atomic radius.

Back

The distance from the nucleus of an atom to the outermost shell of electrons.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

What trend is observed in ionization energy as you move across a period?

Back

Ionization energy increases.

Front

What is electronegativity?

Back

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

Front

How does electronegativity change as you move down a group in the periodic table?

Back

It decreases.