1. Bellwork: What does… 1. Electronegativity 2. Ionization Energy 3
Bellwork: What does… 1. Electronegativity 2. Ionization Energy 3. Metallic Character 4. Atomic Radius 5. Reactivity

2. rows/periods Periodic law
1. Due to the organization of the Periodic Table, the _________________ demonstrate trends in different properties. This is the _______________________ _____________.
Periodic law

3. Electronegativity attract electrons electrons decreases
2.__________________________ is an atom’s ability to _______________ pairs of _________________ in a bond. Electronegativity ________________ from left to right, and _________________ down a group.
electrons
electrons
decreases

4. Same trend as electronegativity!!!
Ionization energy
3. _________________________ is the minimum amount of energy required to ___________________ one electron from the atom. Ionization energy ________________ from left to right, and _________________ down a group.
remove
increases
decreases
Same trend as electronegativity!!!

5. Metallic character metallic decreases increases
4. _________________________ is the degree of ____________________ properties an element demonstrates. Metallic character ________________ from left to right, and _________________ down a group.
decreases
increases

6. OOPS REPEAT!!!!!! Metallic character metallic decreases increases
5. _________________________ is the degree of ____________________ properties an element demonstrates. Metallic character ________________ from left to right, and _________________ down a group.
decreases
OOPS REPEAT!!!!!!
increases

7. Atomic radius valence nucleus decreases increases
6. _________________________ is the distance of the_____________ electrons/shell from the ___________. Atomic radius________________ from left to right, and _________________ down a group.
nucleus
decreases
increases

8. Reactivity react alkali increases halogens decreases
7. ______________ is the tendency of the element to _______________ with other substances. Reactivity is at a maximum at the ____________ metals and __________________ down that group. Reactivity is also high with the _________________________ , and _______________ down that group.
alkali
increases
halogens
decreases

9. 8. Why do alkali metals increase in reactivity down a group?

10. 9. Why do halogens decrease in reactivity down a group?