Mastery – Half Life
OWL Introductory Chemistry: An Active Learning Approach
Cracolice and Peters
07th Edition
The half-life of thallium-201 and mg of a sample are given. Determine how man mg are LOST during x hours of decay.
The half-life of thallium-201 and mg of a sample are given. Determine how man mg are LOST during x hours of decay.
Find the number of protons and neutrons as well as the element when you are given atomic number and mass number.
Determine how many protons, neutrons and electrons there are in a neutral atom of an isotope.
Determine if each item is macroscopic, microscopic or particulate.
Find the amu of an isotope given the ratio of its mass to carbon-12.
Concepts relating to the scientific method, reviewing the work of other scientists, experiments, observed behaviors, etc. Includes true/false questions.
Concepts relating to chemistry, what it deals with and what it is often called.
Find the mass number and symbol when you are given protons, neutrons and electrons.
Concepts relating to jobs of chemists, what are the five subdivisions of chemistry, etc.
Various concept questions on techniques for separating mixtures: filtration, distillation, etc.