E2.056 – Classify as endothermic or exothermic
OWL Introductory Chemistry: An Active Learning Approach
Cracolice and Peters
07th Edition
Three items are given, are they endothermic or exothermic?
Three items are given, are they endothermic or exothermic?
Multiple Choice asking for Characteristics of a group on the periodic table. Choose all that apply.
Verify the average atomic mass of element using a table showing percent abundances.
Your numbers will vary.
How many protons, neutrons and electrons are there in a given neutral atom?
Your numbers will vary.
How many protons, neutrons and electrons are there in a given neutral isotope? AZX notation given.
How many protons, neutrons and electrons are there in a given neutral isotope? Name – # notation given.
An elements atomic weight is given as well as % abundance of two isotopes. One isotope the mass is given, you want the mass of the second isotope.
Your numbers will vary.
An elements atomic weight is given as well as % abundance of two isotopes. One isotope the mass is given, you want the mass of the second isotope.
Your numbers will vary.
Determine if each item is a chemical or physical change.
A reaction is given and each substance is notated as a (s), (l) or (g). Which are products? Which are reactants? Is energy absorbed or released? Is the reaction endothermic or exothermic?