8 th grade science the atomic number is ______. it has ____ protons. it has ____ electrons. it has...
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8th Grade Science
The atomic number is ______.
It has ____ protons.
It has ____ electrons.
It has ____ neutrons.
Do Now
13
Al26.9
8th Grade Science
Today’s Schedule1. Do-Now2. Review metal, nonmetal and
metalloid3. 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
8th Grade Science
http://www.youtube.com/watch?v=h6LPAwAmnCQ
http://youtu.be/0bAYqluRy2I animation of atom and moving electrons.
Chemistry Video
8th Grade Science
Metals, Nonmetals, Metalloids
8th Grade Science
Independent Practice
8th Grade Science
Determining Subatomic Particles
8th Grade Science
Determining Subatomic Particles
9
F18.998
Fluorine
8th Grade Science
Determining Subatomic Particles
9
F18.998
Fluorine
8th Grade Science
The atomic number is ______.
It has ____ protons.
It has ____ electrons.
It has ____ neutrons.
Do Now
11
Na22.99
8th Grade Science
Independent Practice
VL=0
8th Grade Science
Atomic Structure
Letter S represents the _____.
8th Grade Science
Atomic Structure
Letter T represents the _____.
8th Grade Science
Atomic Structure
Letter Q represents the _____.
8th Grade Science
Atomic Structure
Letter R represents the _____.
8th Grade Science
Atomic Structure
You know the identity of an element by counting the number of ____.
8th Grade Science
Atomic Structure
How many protons?Electrons?Neutrons? 1
H1.008
Hydrogen
8th Grade Science
Atomic Structure
How many protons?Electrons?Neutrons? 8
O15.999Oxygen
8th Grade Science
Atomic Structure
How many protons?Electrons?Neutrons? 11
Na22.999Sodium
8th Grade Science
Atomic Structure
What is the identity of this element?
8th Grade Science
Atomic Structure
What is the identity of this element?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Fluorine?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Boron?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Magnesium?
8th Grade Science
Atomic Structure
Which element has 33 protons?
8th Grade Science
Atomic Structure
Which element has 79 protons?
8th Grade Science
Atomic Structure
Which element has 82 protons?
8th Grade Science
Atomic Structure
How many protons?How many electrons?How many neutrons? 18
Ar39.9
Argon
8th Grade Science
Atomic Structure
How many protons?How many electrons?How many neutrons? 26
Fe55.8Iron
8th Grade Science
Today’s Schedule1. Do-Now2. Atomic Structure practice3. 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