Chemistry Oct. 20 & 24, 2016

•OBJECTIVE: Students will describe and explain orally and in writing how the atomic mass is calculated.

•W.O.D. Apocalypse-total devastation; the end of the world

•WARM-UP

1.An element has an atomic number = 15 and a mass number = 32. What is the number of (a) protons (b) neutron (c) electrons (d) name of the element

2.What are isotopes?

HW

•Page 109 #9-15 (Given on Mon. Oct. 24 & 25, 2016)

CW

Quiz on the (nuclear) atomic structure (10/20 & 10/24)