Periodic Trends

Front

What is ionization energy?

Back

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

Front

Which element has a higher ionization energy: Magnesium or Phosphorus?

Back

Phosphorus has a greater ionization energy than Magnesium.

Front

What are the horizontal rows on the periodic table called?

Back

The horizontal rows on the periodic table are called periods.

Front

Which element is located in period 4, group 2?

Back

Calcium is in period 4, group 2.

Front

What are the vertical columns on the periodic table called?

Back

The vertical columns on the periodic table are called groups.

Front

Which elements have the most similar physical and chemical properties?

Back

Elements in the same group have the most similar physical and chemical properties.

Front

What is atomic radius?

Back

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

Front

Which atom has the largest atomic radius: potassium, rubidium, francium, or cesium?

Back

Francium has the largest atomic radius.

Front

What trend is observed in ionization energy across a period?

Back

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

Front

What trend is observed in atomic radius down a group?

Back

Atomic radius generally increases as you move down a group.