Electron affinity

Front

What is electron affinity?

Back

The energy it takes to add an electron to an atom.

Front

True or False: Elements closer to the noble gases have a stronger attraction for electrons.

Back

True

Front

Which element has a greater electron affinity: P or Cl?

Back

Cl

Front

Which element has a greater electron affinity: Li or Be?

Back

Be

Front

What happens to electron affinity as you move from left to right across a period in the periodic table?

Back

Electron affinity generally increases.

Front

What happens to electron affinity as you move down a group in the periodic table?

Back

Electron affinity generally decreases.

Front

Define the term 'noble gases'.

Back

Noble gases are elements in Group 18 of the periodic table that are mostly unreactive due to having a full valence shell.

Front

What is the relationship between electron affinity and reactivity of nonmetals?

Back

Higher electron affinity usually means greater reactivity for nonmetals.

Front

Which group of elements typically has the highest electron affinity?

Back

Halogens (Group 17).

Front

What is the significance of a negative electron affinity value?

Back

A negative electron affinity value indicates that energy is released when an electron is added to an atom.