8 th Grade Science The atomic number is __. It has protons. It has electrons. It has neutrons. Do Now 13 Al 26.9.

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Presentation transcript:

8 th Grade Science The atomic number is ______. It has ____ protons. It has ____ electrons. It has ____ neutrons. Do Now 13 Al 26.9

8 th Grade Science Today’s Schedule 1. Do-Now 2.Review metal, nonmetal and metalloid 3.Atomic Structure practice Dark Matter Objectives: Today we will… 8.5 (A) describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity

8 th Grade Science animation of atom and moving electrons. Chemistry Video

8 th Grade Science Metals, Nonmetals, Metalloids

8 th Grade Science Independent Practice

8 th Grade Science Determining Subatomic Particles

8 th Grade Science Determining Subatomic Particles 9 F Fluorine

8 th Grade Science Determining Subatomic Particles 9 F Fluorine

8 th Grade Science The atomic number is ______. It has ____ protons. It has ____ electrons. It has ____ neutrons. Do Now 11 Na 22.99

8 th Grade Science Independent Practice VL=0

8 th Grade Science Atomic Structure Letter S represents the _____.

8 th Grade Science Atomic Structure Letter T represents the _____.

8 th Grade Science Atomic Structure Letter Q represents the _____.

8 th Grade Science Atomic Structure Letter R represents the _____.

8 th Grade Science Atomic Structure You know the identity of an element by counting the number of ____.

8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 1 H Hydrogen

8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 8 O Oxygen

8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 11 Na Sodium

8 th Grade Science Atomic Structure What is the identity of this element?

8 th Grade Science Atomic Structure What is the identity of this element?

8 th Grade Science Atomic Structure How many neutrons in an atom of Fluorine?

8 th Grade Science Atomic Structure How many neutrons in an atom of Boron?

8 th Grade Science Atomic Structure How many neutrons in an atom of Magnesium?

8 th Grade Science Atomic Structure Which element has 33 protons?

8 th Grade Science Atomic Structure Which element has 79 protons?

8 th Grade Science Atomic Structure Which element has 82 protons?

8 th Grade Science Atomic Structure How many protons? How many electrons? How many neutrons? 18 Ar 39.9 Argon

8 th Grade Science Atomic Structure How many protons? How many electrons? How many neutrons? 26 Fe 55.8 Iron

8 th Grade Science Today’s Schedule 1. Do-Now 2.Atomic Structure practice 3.Dry erase board practice Dark Matter Objectives: How did we… 8.5 (A) describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity