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Matter Intro Chapter. Anything that has mass and volume. Matter.

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Presentation on theme: "Matter Intro Chapter. Anything that has mass and volume. Matter."— Presentation transcript:

1 Matter Intro Chapter

2 Anything that has mass and volume. Matter

3 The smallest unit of an element that keeps the properties of that element. Atom

4 Small particles of the atom –Nucleus Protons ( + ) Neutrons (neutral charge) –Electron Cloud Electrons ( - ) Subatomic Particles

5 Contains the protons and neutrons. Nucleus

6 Proton Found in the nucleus with a positive charge. +

7 Found in the nucleus with a neutral charge. Neutron n

8 Found orbiting outside the nucleus with a negative charge. - Electron

9 Element A substance composed of a single kind of atom. –Hydrogen –Helium –Carbon –Nitrogen –Oxygen –Neon –Sodium –Magnesium –Aluminum –Silicon –Argon –Calcium –Iron –Gold H He C N O Ne Na Mg Al Si Ar Ca Fe Au

10 Elements Each element is identified by it’s atomic number. Atomic #

11 A diagram showing the arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column. Periodic Table

12 Atomic # Element Name Chemical Symbol Atomic Mass Periodic Table

13 Atomic Mass Atomic # Atomic Mass # Protons = Atomic Number # Neutrons = Atomic Mass- Atomic Number # Electrons = Atomic Number

14 Atomic Mass

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19 Compound A substance in which two or more elements are chemically combined.

20 Mixture Two or more substances that are mixed together but not chemically combined.


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