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Title: What is an Atom
Description: A quick run down of Atomic structure, reading elements on the periodic table, and isotopic notation!
Description: A quick run down of Atomic structure, reading elements on the periodic table, and isotopic notation!
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What Is an Atom?
-The smallest unit of matter
-Atoms are made up of Protons, Neutrons, and Electrons
-Protons and Neutrons determine the Atom
-Every living thing is made up of Atoms
Atomic Structure
-Atoms are made up of 2 main parts, these parts are called the “Nucleus” and the
“Electron Cloud”
Blue dot in middle of the diagram = Nucleus
Black area surrounding blue dot/nucleus = electron cloud
Electron Cloud – Huge space, negatively charged, and electrons are located in
here
...
Reading Elements on the Periodic Table
The Diagram above is the element “Nitrogen”
7 = The Atomic Number – The Atomic Number identifies the element
and is the sum of the protons and neutrons
N = The element symbol - Nitrogen
14
...
In other words, they have different
Atomic weights
...
Isotopic Notation
Title: What is an Atom
Description: A quick run down of Atomic structure, reading elements on the periodic table, and isotopic notation!
Description: A quick run down of Atomic structure, reading elements on the periodic table, and isotopic notation!