6.5 Main Group
... Inert Pair effect: Although the ionization energy decreases down the group with increasing atomic radius (heavier elements form cations more readily), the heavier elements also show greater stability of M+ (ns2np0). One possible explanation is that the ns2 electrons are harder to remove due to a rel ...
... Inert Pair effect: Although the ionization energy decreases down the group with increasing atomic radius (heavier elements form cations more readily), the heavier elements also show greater stability of M+ (ns2np0). One possible explanation is that the ns2 electrons are harder to remove due to a rel ...
CHAPTER 2: MATTER
... that involve a change in the fundamental components of a substance. One or more substances change into one or more new substances through a chemical reaction. Such as: hydrogen combining with oxygen to form water ...
... that involve a change in the fundamental components of a substance. One or more substances change into one or more new substances through a chemical reaction. Such as: hydrogen combining with oxygen to form water ...
File
... 11. Draw and label an atom (include all the parts with charges) 12. Calculate the average atomic mass for copper if 69% has a mass of 63 amu and 31% has a mass of 65 amu. 13. Find the number of protons, neutrons, and electrons in the following: p+ no e- ...
... 11. Draw and label an atom (include all the parts with charges) 12. Calculate the average atomic mass for copper if 69% has a mass of 63 amu and 31% has a mass of 65 amu. 13. Find the number of protons, neutrons, and electrons in the following: p+ no e- ...
Chapter 1: Chemistry and You
... 2015-2016 Chemistry Midterm Review This review sheet is a list of topics and sample practice problems only. The practice problems are good representation of what to expect on the midterm, but it is not enough to just study from the review. You need to look over your notes, old review sheets, tests a ...
... 2015-2016 Chemistry Midterm Review This review sheet is a list of topics and sample practice problems only. The practice problems are good representation of what to expect on the midterm, but it is not enough to just study from the review. You need to look over your notes, old review sheets, tests a ...
Unit 7: Chemical Equations & Reactions
... Solid aluminum oxide is formed when aluminum metal reacts with oxygen. Write the equation for this reaction. ...
... Solid aluminum oxide is formed when aluminum metal reacts with oxygen. Write the equation for this reaction. ...
Atomic Structure Tick Sheet
... I know that PROTONS have a MASS of 1 unit and a charge of +1. I know that NEUTRONS have a MASS of 1 unit and 0 charge. I know that the nucleus is surrounded by very small negative particles called ELECTRONS. I know that ELECTRONS have NEGLIGIBLE MASS and a charge of -1. I know that all ATOMS are ELE ...
... I know that PROTONS have a MASS of 1 unit and a charge of +1. I know that NEUTRONS have a MASS of 1 unit and 0 charge. I know that the nucleus is surrounded by very small negative particles called ELECTRONS. I know that ELECTRONS have NEGLIGIBLE MASS and a charge of -1. I know that all ATOMS are ELE ...
4 hon chem classifying matter b
... Law – a generalization that describes the behavior of nature. i.e. Newton’s Laws of Motion Law of Definite Proportions Theory – an explanation of observations i.e. Darwin’s Theory of Evolution ...
... Law – a generalization that describes the behavior of nature. i.e. Newton’s Laws of Motion Law of Definite Proportions Theory – an explanation of observations i.e. Darwin’s Theory of Evolution ...
Classification of
... __________element____________________ - simplest form of matter _____________compound__________ - 2 or more elements chemically combined __________mixture_______________ - 2 or more substances physically combined _________heterogeneous______________ - mixture with individual parts visible ______homo ...
... __________element____________________ - simplest form of matter _____________compound__________ - 2 or more elements chemically combined __________mixture_______________ - 2 or more substances physically combined _________heterogeneous______________ - mixture with individual parts visible ______homo ...
Chapters 1-4 Numbers and Measurements in Chemistry Units SI
... Conversion of a result from one system of units to another is called dimensional analysis: 1. To carry out dimensional analysis, we must know the relationship between units (equivalents): e.g. 1 nm = 10-9 m; 2. Use equivalents to determine unit factors: e.g. 1 = 1 nm/10-9 m; 3. Multiply result by ap ...
... Conversion of a result from one system of units to another is called dimensional analysis: 1. To carry out dimensional analysis, we must know the relationship between units (equivalents): e.g. 1 nm = 10-9 m; 2. Use equivalents to determine unit factors: e.g. 1 = 1 nm/10-9 m; 3. Multiply result by ap ...
Chemical Bond – a force that holds two atoms together, the bond
... Metallic Bond – is the attraction of a metallic cation for delocalized electrons; electrons are not localized to one metallic atom. Delocalized Electrons – electrons that freely move from one metallic atom to another metallic atom. Covalent Bond – a chemical bond between two different atomic elemen ...
... Metallic Bond – is the attraction of a metallic cation for delocalized electrons; electrons are not localized to one metallic atom. Delocalized Electrons – electrons that freely move from one metallic atom to another metallic atom. Covalent Bond – a chemical bond between two different atomic elemen ...
What do we call a substance with more than one kind of atom
... 39. If a photon of light given off by an atom has a wavelength of 655nm, what would be the energy of that lightwave? 40. When using the spectrometer we noticed that depending upon which elemental gas is used to produce the light, different lines of the spectrum will appear. If the predominant band i ...
... 39. If a photon of light given off by an atom has a wavelength of 655nm, what would be the energy of that lightwave? 40. When using the spectrometer we noticed that depending upon which elemental gas is used to produce the light, different lines of the spectrum will appear. If the predominant band i ...
PowerPoint
... All one kind of atom. Compounds are substances that can be broken down by chemical methods • When they are broken down, the pieces have completely different properties than the compound. • Made of molecules- two or more atoms ...
... All one kind of atom. Compounds are substances that can be broken down by chemical methods • When they are broken down, the pieces have completely different properties than the compound. • Made of molecules- two or more atoms ...
Biol 1441
... Matter is anything that takes up space and has mass. Element is a substance that cannot be broken down chemically to other substances by chemical reactions. A compound is a substance consisting of two or more different elements combined in a fixed ratio. Essential Elements of Life: Carbon, oxygen, h ...
... Matter is anything that takes up space and has mass. Element is a substance that cannot be broken down chemically to other substances by chemical reactions. A compound is a substance consisting of two or more different elements combined in a fixed ratio. Essential Elements of Life: Carbon, oxygen, h ...
Sub Unit Plan 1 Chem Periodic Table
... and properties of the atoms that compose them. xiv compare and contrast properties of elements within a group or a period for Groups 1, 2, 13-18 on the Periodic Table xv determine the group of an element, given the chemical formula of a compound, e.g., XCl or XCl2 xvi explain the placement of an unk ...
... and properties of the atoms that compose them. xiv compare and contrast properties of elements within a group or a period for Groups 1, 2, 13-18 on the Periodic Table xv determine the group of an element, given the chemical formula of a compound, e.g., XCl or XCl2 xvi explain the placement of an unk ...
Chemistry Unit Review
... 4. Describe the difference between a physical change and a chemical change. ...
... 4. Describe the difference between a physical change and a chemical change. ...
CHEM 121 Chp 2 Spaulding
... A pure substance that cannot be broken down into simpler substances by a chemical reaction Identified by a one- or two-letter symbol Arranged in the periodic table Its location on the periodic table indicates a lot about its chemical properties Can be a metal, nonmetal, or a metalloid ...
... A pure substance that cannot be broken down into simpler substances by a chemical reaction Identified by a one- or two-letter symbol Arranged in the periodic table Its location on the periodic table indicates a lot about its chemical properties Can be a metal, nonmetal, or a metalloid ...
Unit 3 Review Packet
... Carbon dioxide is a gas that is found in the air you breathe out. Carbon dioxide is made up of two different pure substances, carbon and oxygen. Which of the following would be classified as an element? a. Air b. Gas c. Oxygen d. Carbon dioxide During a science lab, you mixed two unknown substances ...
... Carbon dioxide is a gas that is found in the air you breathe out. Carbon dioxide is made up of two different pure substances, carbon and oxygen. Which of the following would be classified as an element? a. Air b. Gas c. Oxygen d. Carbon dioxide During a science lab, you mixed two unknown substances ...
chemistry - cloudfront.net
... Suggestions on how to prepare: I would first order my notes and homework by the dates on them. Then I would look at the topic statement below (the capital letter phrases) for the first topic. Find this topic and all related information or materials in your possession and study them thoroughly! I wou ...
... Suggestions on how to prepare: I would first order my notes and homework by the dates on them. Then I would look at the topic statement below (the capital letter phrases) for the first topic. Find this topic and all related information or materials in your possession and study them thoroughly! I wou ...
Chapter 12
... Dalton’s Atomic Theory: The hypotheses about the nature of matter on which Dalton’s Atomic Theory is based can be summarized as: Elements are composed of extremely small particles called atoms. All atoms of a given element are identical, having the same size, mass and chemical properties. The atom ...
... Dalton’s Atomic Theory: The hypotheses about the nature of matter on which Dalton’s Atomic Theory is based can be summarized as: Elements are composed of extremely small particles called atoms. All atoms of a given element are identical, having the same size, mass and chemical properties. The atom ...
Document
... Chemical Ideas 2.2 Nuclear reactions Emissions from radioactive substances Some isotopes of some elements are unstable, so their nuclei break down spontaneously and emit rays and particles called emissions. They are radioactive. This breakdown or RADIOACTIVE DECAY occurs without any need to be trig ...
... Chemical Ideas 2.2 Nuclear reactions Emissions from radioactive substances Some isotopes of some elements are unstable, so their nuclei break down spontaneously and emit rays and particles called emissions. They are radioactive. This breakdown or RADIOACTIVE DECAY occurs without any need to be trig ...
Name ______ Period ______ 7th Grade Science Study Guide 1 7
... practicing basketball on number of points scored in a game. 3. Kiki ask the question, “How does hours spent studying affect science grades?” 4. Peter wants to know how the amount of baking soda added to vinegar affects the amount of bubbles produced. 5. Sydney wants to know how amount of exercise af ...
... practicing basketball on number of points scored in a game. 3. Kiki ask the question, “How does hours spent studying affect science grades?” 4. Peter wants to know how the amount of baking soda added to vinegar affects the amount of bubbles produced. 5. Sydney wants to know how amount of exercise af ...
