Wednesday, March 19, 2014

Physcial Science Unit 1 Day 3

Do Now
Objective: Students will diagram and describe the patterns and trend on the periodic table on partner posters using the words atomic radius, reactivity, electronegativity, ionization energy, atomic mass.

Questions:
1) What is electronegativity? Why is it important?
2) What makes at atom reactive?
3) How are the elements on the periodic table arranged?

Exit Ticket: How are the elements on the periodic table arranged? Write a perfect 3 sentence paragraph using the following sentence stem "The periodic table is arranged by..." and at least 1 green word from the objective above.