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... Review acids and bases. List the 4 macromolecules of life. Identify the 3 different types of carbohydrates. Explain the importance of carbs in the body. Explain why low-carb diets can be harmful. ...
... Review acids and bases. List the 4 macromolecules of life. Identify the 3 different types of carbohydrates. Explain the importance of carbs in the body. Explain why low-carb diets can be harmful. ...
C:\usb key\sch3u\unit 1\chapter 2 test answers.wpd
... In a co-ordinate bond, both electrons come from the same atom. 2) Draw a Lewis diagram for the molecule HO. Label one of each of the following types of electrons: lone pair, bonded pair, and unpaired (3 points). ...
... In a co-ordinate bond, both electrons come from the same atom. 2) Draw a Lewis diagram for the molecule HO. Label one of each of the following types of electrons: lone pair, bonded pair, and unpaired (3 points). ...
Geometry of Covalent Compounds
... Similarly, two unstable F atoms come together to form the more stable F2 molecule. Note the unpaired electron in one of the 2p orbitals in the atomic orbital diagram for the F atom above. However, the covalent bond between F atoms in F2 forms between two 2p orbitals, which have a dumb-bell shape, as ...
... Similarly, two unstable F atoms come together to form the more stable F2 molecule. Note the unpaired electron in one of the 2p orbitals in the atomic orbital diagram for the F atom above. However, the covalent bond between F atoms in F2 forms between two 2p orbitals, which have a dumb-bell shape, as ...
Chemistry Terms
... endothermic (reaction) A chemical reaction that requires an input of energy to drive it. exothermic (reaction) A chemical reaction in which energy is released to the environment. ionic bond A bond between atoms in which an electron from one atom leaves and resides in the other shell of the other ato ...
... endothermic (reaction) A chemical reaction that requires an input of energy to drive it. exothermic (reaction) A chemical reaction in which energy is released to the environment. ionic bond A bond between atoms in which an electron from one atom leaves and resides in the other shell of the other ato ...
Cue Column
... What are the definitions of molecule, formula, molecular formula, formula unit, structural formula, and empirical formula? Give examples for each. What type of compounds is represented by the molecular formula and what compounds are represented by formula units? What type of bonds is responsible for ...
... What are the definitions of molecule, formula, molecular formula, formula unit, structural formula, and empirical formula? Give examples for each. What type of compounds is represented by the molecular formula and what compounds are represented by formula units? What type of bonds is responsible for ...
Chapter 9 Molecular Geometries and Bonding Theories
... • These two degenerate orbitals align themselves 180 from each other. • This is consistent with the observed geometry of beryllium compounds: linear. – So a linear arrangement of electron domains implies sp hybridization, and vice versa. ...
... • These two degenerate orbitals align themselves 180 from each other. • This is consistent with the observed geometry of beryllium compounds: linear. – So a linear arrangement of electron domains implies sp hybridization, and vice versa. ...
Units 3 and 4 Revision
... The relative atomic mass of chlorine is 35.5 (a) What is meant by the term ‘isotopes’? (b) Which of the two isotopes is there more of in chlorine? (a) Use your data booklet. ...
... The relative atomic mass of chlorine is 35.5 (a) What is meant by the term ‘isotopes’? (b) Which of the two isotopes is there more of in chlorine? (a) Use your data booklet. ...
Inorganic Chemistry/Chemical Bonding/Lewis Dot Structures
... Once all lone pairs are placed, atoms, especially the central atoms, may not have an octet of electrons. In this case, the atoms must form a double bond; a lone pair of electrons is moved to form a second bond between the two atoms. As the bonding pair is shared between the two atoms, the atom that ...
... Once all lone pairs are placed, atoms, especially the central atoms, may not have an octet of electrons. In this case, the atoms must form a double bond; a lone pair of electrons is moved to form a second bond between the two atoms. As the bonding pair is shared between the two atoms, the atom that ...
Sample Exam 1 Key
... 4. A Lewis dot structure for this atom has five electrons around the symbol. Which of the following could be the atom? a) phosphorus b) xenon c) aluminum d) boron 5. These two elements follow a “duet” rather than an octet rule. What are they? a) helium and neon b) hydrogen and helium c) sodium and c ...
... 4. A Lewis dot structure for this atom has five electrons around the symbol. Which of the following could be the atom? a) phosphorus b) xenon c) aluminum d) boron 5. These two elements follow a “duet” rather than an octet rule. What are they? a) helium and neon b) hydrogen and helium c) sodium and c ...
Chapter 2. The Chemical Context of Life
... Life requires ~25 chemical elements Atomic structure determines behavior of an element Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of ...
... Life requires ~25 chemical elements Atomic structure determines behavior of an element Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of ...
Properties of Metals vs. Nonmetals vs. Metalloids
... Na+ with OH– ___________ NH4+ with PO43– ______________ magnesium oxide____________ ...
... Na+ with OH– ___________ NH4+ with PO43– ______________ magnesium oxide____________ ...
Properties of Metals vs. Nonmetals vs. Metalloids
... Na+ with OH– ___________ NH4+ with PO43– ______________ magnesium oxide____________ ...
... Na+ with OH– ___________ NH4+ with PO43– ______________ magnesium oxide____________ ...
UNIT_6___ELECTRON___CONFIGURATIONS__NOTES
... Shells: ( Quantum #’s ) ( Energy Levels) Are distinct energy levels in which electrons may be found. NOTE: As the shells are further away from the nucleus, the greater the energy of the electrons) e- ...
... Shells: ( Quantum #’s ) ( Energy Levels) Are distinct energy levels in which electrons may be found. NOTE: As the shells are further away from the nucleus, the greater the energy of the electrons) e- ...
VSEPR Theory
... If we described this molecule as a geometric shape, it would be a regular (all edges and angles equal) tetrahedron, with the carbon atom in the center and hydrogen atoms at the vertices: ...
... If we described this molecule as a geometric shape, it would be a regular (all edges and angles equal) tetrahedron, with the carbon atom in the center and hydrogen atoms at the vertices: ...
Periodic Table Puzzle
... The code letters A to Z have been assigned to represent the first 26 representative elements in the Periodic Table. The letters do not relate to the actual chemical symbols for these elements. Your challenge is to put the code letters in the correct boxes in the Periodic Table, based on the properti ...
... The code letters A to Z have been assigned to represent the first 26 representative elements in the Periodic Table. The letters do not relate to the actual chemical symbols for these elements. Your challenge is to put the code letters in the correct boxes in the Periodic Table, based on the properti ...
01 Intro Chemistry
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
02Ch02chemistry2005
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
02_Lecture_Presentation
... Atomic Number and Atomic Mass • Atoms of the various elements differ in number of subatomic particles • An element’s atomic number is the number of protons in its nucleus • An element’s mass number is the sum of protons plus neutrons in the nucleus • Atomic mass, the atom’s total mass, can be appro ...
... Atomic Number and Atomic Mass • Atoms of the various elements differ in number of subatomic particles • An element’s atomic number is the number of protons in its nucleus • An element’s mass number is the sum of protons plus neutrons in the nucleus • Atomic mass, the atom’s total mass, can be appro ...
The periodic table is the most significant tool that chemist use for
... 0.77 Å for a carbon atom. The radial-electron-density distributions previously shown do not end abruptly at some distance from the nucleus. Nevertheless,scientists have used a number of means to estimate the radius of an atom, which is called the atomic radius . One of the most common methods to det ...
... 0.77 Å for a carbon atom. The radial-electron-density distributions previously shown do not end abruptly at some distance from the nucleus. Nevertheless,scientists have used a number of means to estimate the radius of an atom, which is called the atomic radius . One of the most common methods to det ...
Key Words Electronic Homework Problems Questions and Problems
... 10.94 Referring to the Chemistry in Action on p. 424, answer the following questions: (a) If you wanted to cook a roast (beef or lamb), would you use a microwave oven or a conventional oven? (b) Radar is a means of locating an object by measuring the time for the echo of a microwave from the object ...
... 10.94 Referring to the Chemistry in Action on p. 424, answer the following questions: (a) If you wanted to cook a roast (beef or lamb), would you use a microwave oven or a conventional oven? (b) Radar is a means of locating an object by measuring the time for the echo of a microwave from the object ...
Chapter 2 Chemistry
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
... Atoms combine by chemical bonding to form molecules Weak chemical bonds play important roles in chemistry of life A molecule’s biological function is related to its ...
Chapter 9 Lecture 1
... • Electron pairs, whether they be bonding or nonbonding, repel each other ...
... • Electron pairs, whether they be bonding or nonbonding, repel each other ...
Chemical Reactions
... Numbers and letters • The letters are the chemical symbols – N for nitrogen, C for carbon, etc. They always start with a CAPITAL letter. • If there is a capital next to another capital, it is two different elements. – NaOH is sodium, oxygen and hydrogen – KCl is Potassium and chlorine ...
... Numbers and letters • The letters are the chemical symbols – N for nitrogen, C for carbon, etc. They always start with a CAPITAL letter. • If there is a capital next to another capital, it is two different elements. – NaOH is sodium, oxygen and hydrogen – KCl is Potassium and chlorine ...