University:
Bradley University
Course:
CHM 100 | Fundamentals of General Chemistry
Academic year:

2023
Views:

172

Pages:

2
Author:

Gironetzbk3n

NSM 12C PAL Worksheet Nomenclature & Isotopes Name: _____________ Part I: Name the following compound or write the chemical formula. Indicate whether the compound is an ionic compound or molecular compound. Break the following compounds down into its respective ions. (Hint: there may be no ions, if so, write “no ions”). Compound/Formula Name/Formula Ionic or Molecular? N2O NH4Br Ammonia Aluminum permanganate Ion Components 1. Which has more moles of oxygen, 5.0 moles of hydrogen peroxide or 8.0 moles of water? 2. Determine the number of atoms of oxygen in 1.50 moles of aluminum oxide. 3. How many oxygen atoms are there in 2.5g of barium sulfate? 4. How many grams of oxygen are there in 15.6g of aluminum sulfate? Part III: Isotopes ! ! !X 1. What do the variables A, Z, and C represent? 2. For each of the following species, indicate the number of protons, neutrons, and electrons. !" A) !" !"Mg ___________ protons ___________ neutrons ___________ electrons B) !" !! !"S ___________ protons ___________ neutrons ___________ electrons 3. Copper has two isotopes, !"Cu and !"Cu. If the atomic mass of copper is 63.5 g/mol, what is the % of each isotope?