CST Review Questions.

Slides:

Advertisements

Similar presentations

Types of Reactions and Combination Reactions By Shannon, Devon, and Lauren.

Advertisements

Percent Composition and Empirical Formula

I can calculate the molar mass of a compound Sometimes the molar mass is called the formula mass!

The Mole & Chemical Formulas A chemical formula represents the ratio of atoms that always exists for that compound Example: Water – H 2 O Always 2 H atoms.

Empirical Formula The empirical formula indicates the ratio of the atoms of an element in a compound.

Unit 3: Chemistry. Elements, Compounds, Mixtures..

Formula Mass and Composition of Compounds

Transition Metals Wtg. Formulas / Nmg. Compounds Most transition metals can form ions with more than one oxidation number. Examples: Copper atoms can become.

NAMING COMPOUNDS WITH Ionic Bonds. What charge does the Magnesium atom have in the compound MgCl 2 ?

Chemistry Dr. Davis. A. Percent Composition: the percentage by mass of each element in a compound 1. Looking at the formula for FeO, we might assume the.

Chem Catalyst If a class of 22 students has 15 girls and 7 boys, what percentage of the class is male? What percentage is female?

Formula? Unit?.  Formula ?  Unit?  Formula?  Unit?

Chemical Formulas and Moles. Example: 1.water (C) – every molecule of water contains 2 atoms of hydrogen & one atom of oxygen - 2 molecules of H 2 O would.

Slide 1 Section 3.2 Atoms & Compounds Objectives  To learn about Dalton’s Theory of atoms  To understand and illustrate the Law of constant composition.

How to Count Atoms Review

Empirical Formula. Definition A formula that shows the simplest whole-number ratio of the atoms in a compound Ex: H 2 O Not an Ex: H 4 O 2.

Section 2: Formula Mass Chapter 7: Chemical Composition.

Ch Chemical Bonds I. Why Atoms Combine (p )  Chemical Formula  Chemical Bond  Stability.

PS.2b Compounds. Compounds are made of 2 or more kinds of atoms which combine in a specific ratio.

Chemical Formulas and Equations Vocab – Part 1. Element pure substances = 1 type of atom (all the same) Examples: H H 2.

RR: Write generic equations to convert: mass  moles, particles  moles, & mass  particles.

$1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Welcome.

Empirical Formulas from Percents and Mass. Empirical Formula Definition: A formula that shows the simplest whole-number ratio of the atoms in a compound.

Percent Composition: Is the percentage of the total mass due to each element within a compound.

THE LAW OF CONSERVATION OF MASS. MASS cannot be CREATED OR DESTROYED during the course of a CHEMICAL REACTION. Reactants > Products Mass of Reactants.

Stoichiometry Coach Cox.

Percent Composition.

Chemical formulas and chemical compounds

Empirical & Molecular Formulas

Formulas Combining symbols of different elements in a compound is called a chemical formula. Metal written first, non-metal written second. Example: Na.

Compounds and mixtures

January 22, 2016 Learning Target: I will construct a chemical equation for a chemical reaction. Entry Task: All chemical reactions have reactants (inputs)

Definitions Homologous Series: Functional Group: General formula:

Element Identification Chart

Living By Chemistry SECOND EDITION

Chemical Formula Guide

Chemical Reactions.

Atoms, Molecules, Elements, and Compounds

Calculations Based on Chemical Equations

Organic Compounds & Energy Transformations

Empirical formula – the chemical formula of a compound written using the smallest, whole number, mole ratio between atoms in the compound. What is the.

Chemical Reactions Notes #2

Atoms & Molecules.

Describing Matter 2.1 Every form of matter has 2 kinds of properties:

Relative Formula Mass This is the total mass of the sum of all the relative atomic masses of the elements in a compound.

Chemical Formula Guide

Why Atoms Combine Chemical Formula Chemical Bond Stability

I. Why Atoms Combine Chemical Formula Chemical Bond Stability

Vocabulary Percent Composition -

Unit 2: Chemistry Lesson 2: Classifying Matter Essential Questions: 1

Calculations Based on Chemical Equations

Ionic Bonding Walk Around

Compounds vs. Molecules

Chemical Formulas A compound is represented by giving its chemical formula, a notation that uses atomic symbols with numerical subscripts to convey the.

Title: Isotopes & Isomers

Unit 2: Chemistry Lesson 2: Classifying Matter Essential Questions: 1

Percentage Composition

Elements and compounds t-chart

Opening Assignment Look at the following equation. Circle the coefficients and put squares around the subscripts. Draw the ball and stick model of the.

Add to U7-3 Warm-Ups Ca3(PO4)2 1 mol 3 mol Ca 2 mol P 8 mol O

Tuesday, October 29, 2013 Please clear your desk for you quiz.

Objectives Describe how a compound differs from an element.

The mole ratio.

III. Percent Composition

Elements & Compounds Packet #5.

Easy Steps for Balancing Chemical Equations

Chemical Formulas and Chemical Compounds

Presentation transcript:

CST Review Questions

8.1c 1

8.1c 2

8.1d 3

8.1e 4

8.1f

8.1f 6

8.2a 7

8.2b 8

8.2c 9

8.2e 10

8.2f 11

8.3a 12

8.3a

8.3a 14

8.3a 15

8.3b 16

8.3b 17

8.3b 18

8.3b 19

8.3c 20

8.3c 21

8.3c 22

8.3d 23

8.3d 24

8.3e 25

8.3d 26

8.3e 27

8.3e 28

8.3e 29

8.3f 30

8.3f 31

8.3f 32

8.3f 33

8.3f 34. A compound contains two atoms of iron and three atoms of oxygen. What is the chemical formula? I2O3 Ir2O3 Fr2O3 Fe2O3

8.4a 35

8.4a 36

8.4c 37

8.4d 38

8.4e 39

8.5a 40

8.5a 41

8.5b 42

8.5b 43

8.5b 44

8.5b 45

8.5b 46

8.5c 47

8.5c 48

8.5d 49

8.5d 50

8.5d 51

8.5d 52

8.5d 53

8.5e 54

8.5e 55

8.5e 56

8.5e 57

8.6a 58

8.6a 59

8.6a 60

8.6a 61

8.6a 62

8.6b 63

8.6b 64

8.6b 65

8.6b 66

8.6c 67

8.6c 68

8.7a 69

8.7a 70

8.7a 71

8.7a 72

8.7a 73

8.7a 74

8.7b 75

8.7b 76

8.7b 77

8.7b 78

8.7c 79

8.7c 80

8.7c 81

8.7c 82

8.7c 83

8.7c 84

8.7c 85

8.7c 86

8.7c 87

8.8a 88

8.8a 89

8.8a 90

8.8b 91

8.8b 92

8.8b 93

8.8d 94

8.8d 95

8.8d 96

8.8b 97

8.8c 98

8.8d 99

8.8d 100

8.9a 101

8.9a 102

8.9b 103

8.9b 104

8.9c 105

8.9c 106

8.9c 107

8.9d 108

8.9d 109

8.9e 110

8.9e 111

8.9f 112