Science
Presentation
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Science
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10th Grade
•
Hard
Standards-aligned
Ellen Noll
Used 5+ times
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10 Slides • 2 Questions
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Atoms
Ellen Noll
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What is an Atom?
An atom is the smallest unit of ordinary matter that forms a chemical element.
Every solid liquid, gas and plasma is composed of neutralized or ionized atoms.
Atoms are extremely small
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Atoms are made up of
Protons
Electrons
Neutrons
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Multiple Choice
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Atom under an electron microscope
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Atoms in different states
Liquid- particles flow around each other
Gas- particles are very spaced out and move quickly
Solid- atoms are tightly packed together
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Multiple Choice
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An electron microscope is used to look at atoms
The first electron microscope was invented in 1931 by Ernst Ruska
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October 21, 2020
Cryo–electron microscopy reveals the atomic details of apoferritin, a hollow, spherically shaped protein complex that stores iron.
Now, for the first time, scientists have sharpened cryo-EM’s resolution to the atomic level, allowing them to pinpoint the positions of individual atoms in a variety of proteins at a resolution that rivals x-ray crystallography’s.
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Gold atoms under microscope
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Gold atoms from a less zoomed in view
Atoms
Ellen Noll
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