Reactivity & Trends in the Periodic Table

Front

What does the arrangement of elements in the periodic table help predict?

Back

The properties of elements.

Front

What is atomic radius?

Back

The distance from the nucleus of the atom to its outermost orbital.

Front

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

Back

Atomic size increases.

Front

What is the shielding effect?

Back

The reduction in effective nuclear charge on the electron cloud, due to the presence of other electrons.

Front

What is ionization energy?

Back

The energy needed to remove the outermost electron from an atom.

Front

What is electronegativity?

Back

The ability of an atom to attract electrons to itself.

Front

What is electron affinity?

Back

The energy change when an electron is added to an atom.

Front

What do metallic properties describe?

Back

The looseness of the valence electrons of an atom.

Front

What is ionic size?

Back

The size of an atom when it gains (anion) or loses (cation) an electron.

Front

What happens to atomic size as you move from left to right across a period?

Back

Atomic size decreases.