5
Average Atomic Mass

Average Atomic Mass

Embed Size (px)

DESCRIPTION

Average Atomic Mass. AAM. Weighted average of all the known isotopes of an element In order to find the AAM you need the % and mass for each isotope. Find the average atomic mass of the following element: 234 U (0.01%), 235 U(0.71%), 238 U(99.28%). - PowerPoint PPT Presentation

Citation preview

Page 1: Average Atomic Mass

Average Atomic Mass

Page 2: Average Atomic Mass

AAM Weighted average of all the known isotopes of

an element

In order to find the AAM you need the % and mass for each isotope

Page 3: Average Atomic Mass

Find the average atomic mass of the following element: 234U (0.01%), 235U(0.71%), 238U(99.28%)

Page 4: Average Atomic Mass

In a sample of silicon, 92.21% of the atoms have a mass of 27.98 amu, 4.70% have a mass of 28.98 amu and 3.09% have a mass of 29.97 amu. What is the average atomic mass of the sample?

Page 5: Average Atomic Mass

What is the average atomic mass of a sample of lead with the following composition? 1.37% lead-204 26.26% lead-206 20.82% lead-207 51.55% lead-208


Chemical Stoichiometry. Atomic Weights Average Atomic Masses Relative atomic mass: average masses of isotopes: –Naturally occurring C: 98.892 % 12 C +

Chemical Stoichiometry. Atomic Weights Average Atomic Masses Relative atomic mass: average masses of isotopes: –Naturally occurring C: 98.892 % 12 C +

Documents
The Mass Spectrograph & Average Atomic Mass

The Mass Spectrograph & Average Atomic Mass

Documents
A. Atomic Mass The average atomic mass is the number at the bottom of each square The average atomic mass is the number at the bottom of each square Found

A. Atomic Mass The average atomic mass is the number at the bottom of each square The average atomic mass is the number at the bottom of each square Found

Documents
Basic Atomic Structure Democritus Dalton Subatomic Particles Symbol Notation Isotopes Average Atomic Mass

Basic Atomic Structure Democritus Dalton Subatomic Particles Symbol Notation Isotopes Average Atomic Mass

Documents
atomic mass...of atomic mass (and for unstable isotopes, radioactivity). Therefore, the periodic table lists a weighted average atomic mass for each element. In order to calculate

atomic mass...of atomic mass (and for unstable isotopes, radioactivity). Therefore, the periodic table lists a weighted average atomic mass for each element. In order to calculate

Documents
Calculating Average Atomic Mass

Calculating Average Atomic Mass

Documents
1 Chapter 3 Stoichiometric Atomic Masses, Mole concept, and Molar Mass (Average atomic mass). Number of atoms per amount of element. Percent composition

1 Chapter 3 Stoichiometric Atomic Masses, Mole concept, and Molar Mass (Average atomic mass). Number of atoms per amount of element. Percent composition

Documents
mslestik.weebly.com · Average Atomic Mass: the weighted average mass of an element's isotopes and is the mass found on the periodic table. % Abundance % Abundance Average atomic

mslestik.weebly.com · Average Atomic Mass: the weighted average mass of an element's isotopes and is the mass found on the periodic table. % Abundance % Abundance Average atomic

Documents
Average Atomic Mass Due Monday Oct 14, 2013

Average Atomic Mass Due Monday Oct 14, 2013

Documents
Average Atomic Mass - Leyden Scienceleydenscience.org/avazquez/Honors Chemistry/Honors Chem Lectures...Average Atomic Mass ... realize that the conversion needed is the molar mass

Average Atomic Mass - Leyden Scienceleydenscience.org/avazquez/Honors Chemistry/Honors Chem Lectures...Average Atomic Mass ... realize that the conversion needed is the molar mass

Documents
Chapter 3 - Stoichiometry Average Atomic Mass

Chapter 3 - Stoichiometry Average Atomic Mass

Documents
Average Atomic Mass. carbon atom (12 amu) Measuring Atomic Mass Unit is the Atomic Mass Unit (amu) One twelfth the mass of a carbon-12 atom. Each isotope

Average Atomic Mass. carbon atom (12 amu) Measuring Atomic Mass Unit is the Atomic Mass Unit (amu) One twelfth the mass of a carbon-12 atom. Each isotope

Documents
Atomic mass The atomic mass is the average mass of an atom

Atomic mass The atomic mass is the average mass of an atom

Documents
Unit 3: Stoichiometry Part 1. Atomic Masses Atomic mass – (atomic weight) – The atomic mass of an element indicates how heavy, on average, an atom of

Unit 3: Stoichiometry Part 1. Atomic Masses Atomic mass – (atomic weight) – The atomic mass of an element indicates how heavy, on average, an atom of

Documents
Unit 2 – Atomic Structure & Nuclear Chemistry Part I – Atomic Theory, Subatomic Particles, and Average Atomic Mass

Unit 2 – Atomic Structure & Nuclear Chemistry Part I – Atomic Theory, Subatomic Particles, and Average Atomic Mass

Documents
Aim: How to Calculate the Average Atomic Mass?

Aim: How to Calculate the Average Atomic Mass?

Documents
Chapter 3. Atomic Mass amu = Average Atomic Mass Unit Based on 12 C as the standard. 12 C = exactly 12 amu The average atomic mass (weight) of

Chapter 3. Atomic Mass amu = Average Atomic Mass Unit Based on 12 C as the standard. 12 C = exactly 12 amu The average atomic mass (weight) of

Documents
What is atomic mass? Also referred to as: Atomic weight Average atomic mass Relative atomic mass Important characteristic for elements: Each element

What is atomic mass? Also referred to as: Atomic weight Average atomic mass Relative atomic mass Important characteristic for elements: Each element

Documents
Average Atomic Mass A different kind of average…

Average Atomic Mass A different kind of average…

Documents
Stoichiometry Chapter 3. Atomic Mass Atoms are so small, it is difficult to weigh in grams (Use atomic mass units) Atomic mass is a weighted average of

Stoichiometry Chapter 3. Atomic Mass Atoms are so small, it is difficult to weigh in grams (Use atomic mass units) Atomic mass is a weighted average of

Documents
AP CHEMISTRY CHAPTER 3 STOICHIOMETRY. Average atomic mass- weighted average based on isotopic composition To calculate : % Isotope A (mass of A) + % Isotope

AP CHEMISTRY CHAPTER 3 STOICHIOMETRY. Average atomic mass- weighted average based on isotopic composition To calculate : % Isotope A (mass of A) + % Isotope

Documents
Atomic Structure Average Atomic Mass and Isotopeshallsciencedsa.weebly.com/uploads/5/6/8/7/56874993/ncfe...Average Atomic Mass and Isotopes Elements come in a variety of isotopes,

Atomic Structure Average Atomic Mass and Isotopeshallsciencedsa.weebly.com/uploads/5/6/8/7/56874993/ncfe...Average Atomic Mass and Isotopes Elements come in a variety of isotopes,

Documents
Isotopes and Average Atomic Mass

Isotopes and Average Atomic Mass

Documents
Atomic Structure The Periodic Table, Isotopes, and Average Atomic Mass

Atomic Structure The Periodic Table, Isotopes, and Average Atomic Mass

Documents
Chapter 7 – The Mole and Chemical Composition Sec 2 - Relative Atomic Mass and Chemical Formulas Average Atomic Mass and the Periodic Table You have learned

Chapter 7 – The Mole and Chemical Composition Sec 2 - Relative Atomic Mass and Chemical Formulas Average Atomic Mass and the Periodic Table You have learned

Documents
The Mole Molar Mass 0 Also called atomic mass, formula mass, molecular mass 0 Unit = g/mol 0 Calculating Molar Mass 0 Use the average atomic mass from

The Mole Molar Mass 0 Also called atomic mass, formula mass, molecular mass 0 Unit = g/mol 0 Calculating Molar Mass 0 Use the average atomic mass from

Documents
manual-solutions.com · Web viewSolution Atomic mass is the mass of an individual atom, whereas atomic weight is the average (weighted) of the atomic masses of an atom's naturally

manual-solutions.com · Web viewSolution Atomic mass is the mass of an individual atom, whereas atomic weight is the average (weighted) of the atomic masses of an atom's naturally

Documents
Chapter 4: Atomic Structure Subatomic Particles Symbol Notation Isotopes Average Atomic Mass

Chapter 4: Atomic Structure Subatomic Particles Symbol Notation Isotopes Average Atomic Mass

Documents
Preview Lesson Starter Objectives Atomic Number Isotopes Mass Number Designating Isotopes Relative Atomic Masses Average Atomic Masses of Elements Relating

Preview Lesson Starter Objectives Atomic Number Isotopes Mass Number Designating Isotopes Relative Atomic Masses Average Atomic Masses of Elements Relating

Documents
Calculating Average Atomic Mass. Introduction The value for atomic mass for a particular element is the average atomic mass. Each sample of an element

Calculating Average Atomic Mass. Introduction The value for atomic mass for a particular element is the average atomic mass. Each sample of an element

Documents