'Electronegative atom' presentation slideshows

AP Biology Semester 1 Review

AP Biology Semester 1 Review. Huu Le. Chapter 2 Vocab. #1. Isotopes. Chapter 2 Vocab. #1. Element w/diff. # of neutrons than common amount. Chapter 2 Vocab. #2. Energy levels. Chapter 2 Vocab. #2. Diff. states of potential energy that electrons contain in an atom, aka electron shells.

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Covalent Bonding / Molecular Structure / Introduction to Organic Chemistry and the Alkanes

Covalent Bonding / Molecular Structure / Introduction to Organic Chemistry and the Alkanes. H Advanced Chemistry / Organic Unit 1. Objectives #1-4 Covalent Bonding and Lewis Structures. *formation of a covalent bond:

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Chapter 2 Polar Covalent Bonds: Acids and Bases

Chapter 2 Polar Covalent Bonds: Acids and Bases. Why This Chapter?. Description of basic ways chemists account for chemical reactivity. Establish foundation for understanding specific reactions discussed in subsequent chapters. Covalent bonds can have ionic character

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Nuclear Magnetic Resonance Spectroscopy

Nuclear Magnetic Resonance Spectroscopy. An Introduction. Over the past fifty years nuclear magnetic resonance spectroscopy, commonly referred to as NMR, has become the preeminent technique for determining the structure of organic compounds. Nuclear magnetic resonance (NMR) spectroscopy:

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Why is this needle floating?

Why is this needle floating?. Intermolecular Forces:. (inter = between) between molecules. and the temperature (kinetic energy) of the molecules. What determines if a substance is a solid, liquid, or gas?.

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The Chemical Bond

The Chemical Bond. What is a chemical bond?. It is a force of attraction between atoms, ions or molecules. How are bonds formed ?. By electron loss, gain or sharing. Which elements lose electrons?. Metals Cations are formed. Why metals lose electrons ?.

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Lewis Dot Structures

Lewis Dot Structures. Gilbert Lewis One of Americas most influential Chemist . Lewis Dot Structures. Gilbert Lewis One of Americas most influential Chemist .

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Chemistry Review

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Unit 1 The Chemistry of Life

Unit 1 The Chemistry of Life. Chapters 2-5. Chapter 2 The chemical context of life. You must know: The 3 subatomic particles & their significance The types of bonds, how they form, & their relative strengths. 2.1. Matter consists of elements in pure forms

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Chemical Spill in High School Lab

Chemical Spill in High School Lab January 26, 2006 - Five people needed hospital treatment after a chemical spill inside Middle Township High School in Cape May County.

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Bond Polarity

Bond Polarity. covalent bonding between unlike atoms results in unequal sharing of the electrons one atom pulls the electrons in the bond closer to its side one end of the bond has larger electron density than the other the result is a polar covalent bond bond polarity

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Polarity and Intermolecular Forces

Polarity and Intermolecular Forces. LEARNING OBJECTIVES. understand the concept of electronegativity understand bond polarity, its causes and effects understand the causes and effects of dipole-dipole forces AND van der Waals (induced dipole-dipole) forces AND and the forces in hydrogen bonds

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Chapter 2: The Chemical Context of Life

Chapter 2: The Chemical Context of Life. Chemical Context of Life. Matter (space & mass) Element Compound The atom Atomic number (# of protons); mass number (protons + neutrons) Isotopes (different # of neutrons); radioactive isotopes (nuclear decay)

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Chapter 2: The Chemical Context of Life

Chapter 2: The Chemical Context of Life. Chemical Context of Life. Matter (space & mass) Element Compound The atom Atomic number (# of protons); mass number (protons + neutrons) Isotopes (different # of neutrons); radioactive isotopes (nuclear decay)

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Naming Covalent compounds

Naming Covalent compounds. Covalent Bonds. Covalent bonds result from the sharing of electron pairs between two atoms. Covalent bonds always form between two nonmetals. Covalent Bonding. Naming Covalent Compounds. Covalent compounds are named using prefixes to indicate the number of atoms.

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Intermolecular Attractions

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Announcements

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