To prepare for your assessment today...
Put phone in hanging display on door
Sit four people per table
Turn in all missing work and Chapter 3-5 Reviews on front counter with assignments you want checked off dog-eared (or sticky noted).
Pull out a writing utensil and calculator and put everything else away, under your table.
Find periodic table for you to use on center of table box.
Choose you mind set for the assessment...
Believe you can do this and face each question with the attitude of how you can solve it not if you can solve it.