Question

quiz: period table & trends
possible points: 10
match the definitions with the correct vocabulary word
group 18, has 8 valence electrons
outer - shell (energy level) electron
amount of energy needed to remove an electron
tendency to attract electrons in a bond
distance from the nucleus to an outermost electron
valence electron atomic number atomic radius noble gases electronegativity ionization energy

Explanation:

1. Group 18 elements with 8 valence electrons are noble gases.
2. An outer - shell (energy level) electron is a valence electron.
3. The amount of energy needed to remove an electron is ionization energy.
4. The tendency to attract electrons in a bond is electronegativity.
5. The distance from the nucleus to an outermost electron is atomic radius.

Answer:

1. group 18, has 8 valence electrons -> noble gases
2. Outer - shell (energy level) electron -> valence electron
3. Amount of energy needed to remove an electron -> ionization energy
4. Tendency to attract electrons in a bond -> electronegativity
5. Distance from the nucleus to an outermost electron -> atomic radius