'Outer energy level' diaporamas de présentation

INTERMOLECULAR FORCES

INTERMOLECULAR FORCES. Introduction: The physical properties of melting point, boiling point, vapor pressure, evaporation, viscosity, surface tension, and solubility are related to the strength of attractive forces between molecules.

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Unit 2: Bonding

Unit 2: Bonding. Overview. Covalent Bonding Ionic and Metallic Bonding Electronegativity Molecular Shape Polarity Ionic Crystals Network Solids Intermolecular Forces. Covalent Bonding. Bonds between atoms are formed through the sharing of electrons

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Topic 3: Periodicity

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Review

Review . Atoms and Periodic Table. What is the charge of the nucleus?. Positive Negative Neutral. :10. :06. Which parts have the same weight?. Protons and neutrons Neutrons and electrons Electrons and protons None of the above All the above. :00. What parts have the same charge?.

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Chapter 15

Chapter 15. Ionic Bonding. Keeping Track of Electrons. The electrons responsible for the chemical properties of atoms are those in the outer energy level. Valence electrons - The s and p electrons in the outer energy level. Core electrons -those in the energy levels below. .

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Q. What is Chemistry?

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Chemical Bonding

Chemical Bonding. Chapter 6. Types of Chemical Bonds. Chemical Bond: mutual electrical attraction b/ the nuclei and valence e - of different atoms Atoms make bonds b/c they become more stable. Types of Chemical Bonds. Ionic Bonding:

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CHEMICAL BONDING

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Compounds and Mixtures

Compounds and Mixtures. Unit 15. Compounds. compound: substance made up of two or more elements chemically combined most of the matter making up the earth is composed of compounds ex. water is a compound made up of the elements hydrogen and oxygen

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The Periodic Table

The Periodic Table . Discovering a Pattern. In 1869, Russian chemist Dmitri Mendeleev arranged the elements in order of increasing atomic mass. Periodic Properties of the Elements

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Ch. 22 Chemical Bonds

Ch. 22 Chemical Bonds. What is a Chemical Formula?. When elements combine to form compounds a chemical reaction occurs creating a new compound with properties that are different from the original elements.

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METALS, NONMETALS, METALLOIDS, & NOBLE GASES

METALS, NONMETALS, METALLOIDS, & NOBLE GASES. FOUR SECTION FOLDABLE ADVANCED ORGANIZER. PROPERTIES OF METALS. Most elements are metals Metals are located left of the Zig Zag line Metals have few electrons in their outer energy level

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Ionic, Covalent, and Metallic bonding

Ionic, Covalent, and Metallic bonding. How Elements Bond. 2. Bond Formation. The positive sodium ion and the negative chloride ion are strongly attracted to each other. . This attraction, which holds the ions close together, is a type of chemical bond called an ionic bond . .

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Chapter 8 Molecular Shape

Chapter 8 Molecular Shape. The shape of a molecule can be important in determining its chemical reactions Molecular shape is often very important in the chemistry of living things. Molecular geometry also helps determine the polarity of molecules.

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The Periodic Table

The Periodic Table. Discovering a Pattern. Dmitri Mendeleev- Russian Chemist- discovered a pattern to the element in 1869 First he arranged them by different properties (density, appearance, MP). After much thought he arranged them in order of increasing atomic mass.

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History of the Periodic Table

History of the Periodic Table. Dimitri Mendeleev published a periodic table that arranged elements by increasing atomic mass This did not accurately group elements by similar properties The modern table is arranged by increasing atomic number

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TOPIC 4

TOPIC 4. How Atoms Combine. Covalent Bonding. When Atoms join they do so by a Chemical Bond When non - metal atoms join they form a Covalent Bond When Atoms join it is their outer electrons that are directly affected

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Chapter 7: The Periodic Table

Chapter 7: The Periodic Table. Chapter 7 Section 1: Arranging the Elements. Mendeleer developed the first periodic table by listing the elements in order of increasing atomic mass. He used his table to predict that elements with certain properties would be discovered later.

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Covalent Bonding

Covalent Bonding. When Atoms join they do so by a Chemical Bond When non - metal atoms join they form a Covalent Bond When Atoms join it is their outer electrons that are directly affected Remember that atoms join so as to try and achieve their nearest most stable electron arrangement .

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Ch. 11 - Chemical Bonds

Ch. 11 - Chemical Bonds. I. Why Atoms Combine (p.298-302) Chemical Formula Chemical Bond Stability. 1 oxygen atom. 2 hydrogen atoms. A. Chemical Formula. Shows: 1) elements in the compound 2) ratio of their atoms. H 2 O. B. Chemical Bond.

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