Chemistry Quiz

What is the energy required to remove an electron from an atom called?

• Valence electrons

• Electron affinity

• Ionization energy

• Nuclear charge

What is the term used for the energy released when an atom acquires an electron?

• Valence electrons

• Nuclear charge

• Electron affinity

• Ionization energy

Which group of elements has the largest electron affinity?

• Noble gases

• Halogens

• Alkali metals

• Transition metals

Why do cations have a smaller radius than neutral atoms?

• They have more protons

• They have fewer electrons

• They have more electrons

• They have fewer protons

Which group of elements tends to form anions?

• Halogens

• Alkali metals

• Transition metals

• Noble gases

Which element is assigned the highest electronegativity value?

• Oxygen

• Bromine

• Fluorine

• Chlorine

What property measures an element's ability to attract electrons from other elements?

• Ionization energy

• Valence electrons

• Electron affinity

• Electronegativity

What is the term used for the electrons in the outermost energy level of an atom?

• Valence electrons

• Excited electrons

• Core electrons

• Transition electrons

Which group of elements is known for trying to achieve a stable octet configuration?

• Alkali metals

• Halogens

• Transition metals

• Noble gases

Why do anions have a larger radius than neutral atoms?

• They have more electrons

• They have fewer electrons

• They have more protons

• They have fewer protons