Electron Affinity

What is the electron affinity trend?

• The electron affinity increases as we move across the period from left to right and we go upwards in the group.

• The electron affinity decreases as we move across the period from right to left and we go upwards in the group.

• The electron affinity increases as we move across the period from left to right and we go downwards in the group.

• The electron affinity increases as we move across the period from right to left and we go downwards in the group.

A nonmetal has a higher electron affinity.

• True

• False

What is the unit of measurement for electron affinity?

• g/mole

• kJ/mole

• mole/kJ

• m/g

What is the symbol that represents electron affinity?

• EN

• AR

• EA

• IE

During the first electron affinity, positive energy is added.

• True

• False

What does electron affinity form when it's a neutral atom?

• Positive ion

• Negative ion

• Neutral ion

• Positive energy

Which of the given atoms has the lowest electron affinity?

• Ca

• Ra

• Sr

• Be

Which of the given atoms has the greatest electron affinity?

• Al

• P

• Cl

• Na

What is electron affinity?

• How stable energy is released when gaining electrons

• How stable particles are when further away from nucleus

• How stable nucleus is when closer to particles

• How stable energy is kept when losing electrons

What is the element that is affected most by electron affinity?

• Mercury

• Chlorine

• Argon

• Neon