'Chlorine 35 chlorine 37' presentation slideshows

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Atoms and Elements

Atoms and Elements. The Atom Atomic Number and Mass Number Isotopes. Atomic Theory. Atoms are building blocks of elements Similar atoms in each element Different from atoms of other elements Two or more different atoms bond in simple ratios to form compounds. Subatomic Particles.

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Atoms and Elements

Atoms and Elements. The Atom Atomic Number and Mass Number Isotopes. Atomic Theory. Atoms are building blocks of elements Similar atoms in each element Different from atoms of other elements Two or more different atoms bond in simple ratios to form compounds. Subatomic Particles.

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Section 4.3

Section 4.3. How Atoms Differ. Objectives. Explain the role of atomic number in determining the identity of an atom. Define an isotope and explain why atomic masses are not whole numbers.

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Section 4.3

Section 4.3. How Atoms Differ. Objectives. Explain the role of atomic number in determining the identity of an atom. Define an isotope and explain why atomic masses are not whole numbers.

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How Atoms Differ

How Atoms Differ. Mr. E Chemistry. Atomic Number = number of protons in the nucleus of an atom. It really is the identity of the element. What did you discover yesterday when you changes the amount of protons in an atom? The atomic number identifies the element. C

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