'Average atomic mass' presentation slideshows

Atomic Structure

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Atoms

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Atomic Structure Review Game

Atomic Structure Review Game. 30 seconds each to complete these questions. 1.Whose model of the atom was that?. Dalton Thomson Rutherford Chadwick. Solid, Indivisible Sphere of Matter. 2. What happened to the cathode ray in the experiment?. It was repelled by a (+) charge.

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Chapter 5

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S-113

S-113. What is the periodic Table? How is it arranged?. S-116. What subatomic structure is reflected in the periodic table?. SPS4 Students will investigate the arrangement of the Periodic Table a. Determine the trends of the following Number of valence electrons

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Atomic Structure and The Periodic Table

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LOTS 8: Nuclear Changes

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Chapter 4: Atomic Structure

Chapter 4: Atomic Structure. Subatomic Particles Symbol Notation Isotopes Average Atomic Mass. Democritus. Atom : smallest part of an element that retains the identity of that element.

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How Atoms Differ/ Isotopes

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How Atoms Differ

How Atoms Differ. Atomic Number (Z). Identity of each element is determined by the number of protons in the nucleus. The number of protons in the nucleus is the atomic number. In a normal atom, the number of electrons equals the number of protons. Atomic Mass (A).

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The Structure of the Atom

The Structure of the Atom. 4.2 Defining the Atom. Atoms are the smallest particle of an element that retains the properties of the element. How small are atoms? 50 MILLION atoms in a row would take up 1cm. Structure of Atom. Atoms are made up of protons (p+), neutrons (n), and electrons (e-)

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Warmup (5 minutes) *see if you can attack the following questions already!!!!

1) How many protons are there in 1 atom of sulfur? 2) Which if the following elements below has 24 protons? A. bismuth B. chromium C. cadmium D. All of these. 3) How many neutrons are there in most boron atoms? 4) The atomic mass of an atom is mostly due to the mass of its:

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Atoms: The building blocks of Matter

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Average Atomic Mass

Average Atomic Mass. Chapter 7.4 Average Atomic Mass. Objective: (1) To calculate the average atomic mass for an atom. Average Atomic Mass. Weighted average of the masses of the existing isotopes of an element. Recall: Atomic Mass Unit. The unit that describes the mass of an atom

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Review

Review. Isotopes. J.J. Thomson saw that there were two different neon atoms in the cathode ray tube These atoms were different in mass, but the same chemically Atoms of the same element that have a different mass are known as Isotopes. Isotopes. Contain the same number of protons

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electronic charge =

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Average Atomic Mass Formula Mass

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Mass Spectrometer and How to Find Atomic Mass

Mass Spectrometer and How to Find Atomic Mass. It has several stages of operation that you must get familiar with (i.e. learn!): injection of the sample vaporization of the sample (if it's not already gaseous) ionization of the sample acceleration of the ions deflection of the ions

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Isotope Notation

Isotope Notation uses a symbol to convey information about an isotope of a particular element. Isotope Notation. 23 Na 11. Atomic Number. Isotope Notation. Mass Number. 23 Na 11.

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Valence Electrons

Valence Electrons. I. Def- Electrons that are found in the outermost energy level or orbital. A. These are the electrons that are involved in chemical bonding and help atoms achieve stability. I. Determining the # of Valence Electrons A. S & P Block (main block elements)-

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