'Alkali metals' presentation slideshows

Matter:

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Chapter 10

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Unit 11

Unit 11. Modern Atomic Theory. Review of the Discovery of the Atom. 1803 John Dalton discovered that elements are made of atoms. He thought that atoms were solid, like a marble . 1875 Crooks discovered the electron. The electron was found to have a mass of

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TOPIC 3 PERIODICITY

TOPIC 3 PERIODICITY. 3.2 PERIODIC TRENDS. Elements show trends in their physical and chemical properties across periods and down groups. NATURE OF SCIENCE (3.1)

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A Brief History of Chemistry and Materials Science

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THE PERIODIC SYSTEM

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The Periodic Table

The Periodic Table. Basic Concepts. What do the numbers mean?. This is the atomic number. It is the number of protons in a single atom of this element. It is also # of electrons. 11. Na. The symbol for this element.

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Precipitation Reactions

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PERIODIC TABLE

PERIODIC TABLE. 1869. PERIODIC PROPERTIES. When elements are arranged in order of increasing atomic number, certain sets of properties recur periodically. WHAT ARE THESE PROPERTIES?. Metallic, nonmetallic and metalloid properties Atomic radius

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Chemistry Questions

Chemistry Questions. Question #1. According to Bronsted-Lowry definition, a base is: W. A proton donor X. An electron donor Y. A proton acceptor Z. An electron acceptor. Question #1. According to Bronsted-Lowry definition, a base is: W. A proton donor X. An electron donor

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Elements are arranged:

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Chapter Three

0. Chapter Three. Atoms and the Periodic Table. 0. Atomic Theory. All matter is composed of atoms Atoms of each element are unique Atoms are composed of subatomic particles (protons, neutrons and electrons) Atoms combine to form compounds in definite proportions

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Chapter 19 The Representative Elements: Group 1A through 4A

Chapter 19 The Representative Elements: Group 1A through 4A. Reviewing the Periodic Table Regions: Representative elements : Groups 1A - 8A - filling s and p orbitals (s and p valence electrons). Transition elements : Center of the table - filling d orbitals.

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Periodic Law

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Reading the Periodic Table

Reading the Periodic Table. A way of organizing & classifying elements. Arranged in rows and columns. Columns. The vertical (up and down) columns of the periodic table (there are 18) are called groups or families .

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THE PERIODIC TABLE

THE PERIODIC TABLE. is arranged in order of increasing number of protons . the atomic number of an element is the number of protons in the nucleus and the number of electrons in a neutral atom. the atomic weight increases with increasing number of protons and neutrons.

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THE PERIODIC TABLE

THE PERIODIC TABLE. is arranged in order of increasing number of protons . the atomic number of an element is the number of protons in the nucleus and the number of electrons in a neutral atom. the atomic weight increases with increasing number of protons and neutrons.

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CHEMICAL PERIODICITY

CHEMICAL PERIODICITY. Group Trends. Transition Metals Innertransition Metals Main Block Elements Hydrogen Alkali Metals Alkaline Earth Metals Halogens Noble Gases. Transition & Innertransition Metals. Innertransition Metals. Transition Metals.

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Families of Elements

Families of Elements. Alkali Metals. Alkaline Earth Metals. Transition Elements. BCNO Family. Halogen Family. Noble Gases. Lanthanide Series. Actinide Series.

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Periodic Table Basics

Al. Si. Ne. Li. He. P. H. Periodic Table Basics. Be. O. Mg. F. Na. N. B. C. Cl. T. Trimpe http://sciencespot.net. Helium. Neon. Argon. Hydrogen. Lithium. Sodium. He. Ne. Ar. H. Li. Na. Which elements had complete outer shells? Give the name and symbol for each.

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