Periodic Trends

Front

Who arranged the periodic table by increasing atomic number?

Back

Moseley

Front

Which element has the smallest atomic radius?

Back

K (Potassium)

Front

Which element would be the easiest to take an electron from?

Back

Fr (Francium)

Front

Who made accurate predictions about undiscovered elements?

Back

Mendeleev

Front

What is atomic radius defined as?

Back

One-half the distance between the nuclei of two identical atoms bonded together.

Front

What is the trend of atomic radius as you move down a group in the periodic table?

Back

Atomic radius increases as you move down a group.

Front

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

Back

Atomic radius decreases as you move from left to right across a period.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

What is the trend of ionization energy as you move down a group in the periodic table?

Back

Ionization energy decreases as you move down a group.

Front

What is the trend of ionization energy as you move across a period from left to right?

Back

Ionization energy increases as you move from left to right across a period.