Periodic Table & Trends

Front

As you move across the periodic table, atoms tend to get smaller because ____________.

Back

the atoms have more protons.

Front

The energy it takes to remove one electron from an atom is called ____________.

Back

Ionization Energy.

Front

Elements in a ____________ have similar chemical properties.

Back

group.

Front

Which element has lower ionization energy: Chlorine or Sodium?

Back

Chlorine is lower than Sodium.

Front

As you move down the periodic table, atoms get bigger because ____________.

Back

The atoms have more energy levels.

Front

What is the trend in atomic radii as you move from left to right across a period?

Back

Atomic radii decrease.

Front

What is electronegativity?

Back

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

Front

Which group of elements is known as the noble gases?

Back

Group 18.

Front

What happens to ionization energy as you move down a group in the periodic table?

Back

Ionization energy decreases.

Front

What is the general trend of metallic character in the periodic table?

Back

Metallic character increases down a group and decreases across a period.