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Articles related to "Periodic Table"
Atomic Orbitals
Electrons in atoms are arranged in electronic energy levels, subshells and orbitals.
electron
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orbital
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electronic configuration
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periodic table
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quantum mechanics
Chemistry Defined
Chemistry is the study of all matter and the changes that occur to all things.
chemistry
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beginners
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inorganic
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organic
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science
Discovery of Helium in the Sun
Using spectroscopy, helium was first discovered in the Sun. Spectral lines labeled coronium and nebulium did not fit into the periodic table of the elements.
helium
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periodic table
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chromosphere
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spectroscopy
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solar corona
The Periodic Table by E.R.Scerri
The Periodic Table: Its Story and Its Significance is a new, readable book on the history and philosophy of the system of elements from UCLA lecturer Eric Scerri.
periodic table
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elements
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mendeleev
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dalton
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canizarro
The Periodic Table of the Elements
A key tool for chemists throughout the world is the systematic arrangement of all known elements in the Periodic Table
chemistry
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periodic table
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mendeleev
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mendeleyev
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elements
Answers to Puzzles of the Elements
Last week I presented a series of puzzles using symbols from chemistry and physics. Here they are unravelled.
physics puzzle
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chemistry puzzle
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puzzle answers
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albert einstein
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max planck
Living Science Books for Kids
Don't expect your child's dry science curriculum to bring science to life. These fun-to-read books provide hooks where kids can connect knowledge to their own experience.
living science books
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children's science books
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best science books for kids
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pagoo
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a weed is a flower
Metals and Non-Metals
Elements display very different properties depending on their position in the Periodic Table. How and why are some called metals and some non-metals?
metal
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non-metal
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periodic table
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mercury
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copper
Niels Bohr - Danish Physicist Extraordinaire
Niels Bohr proposed a quantum structure for the atom, won a Nobel prize for physics, and worked on the Manhattan.
niels bohr
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quantum mechanics
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physics
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university of copenhagen
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institute of theoretical physics
Origin of the Chemical Elements
You are recycled stardust. The atoms in our bodies were manufactured in stars or supernovae and recycled by supernova explosions.
origin of elements
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supernova
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periodic table
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type ii supernova
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big bang theory
Puzzles of the Elements
Think the periodic table of the elements is beyond boring? Perhaps you escaped it in high school. Either way, try these puzzles.
periodic table of the elements
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elements
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alchemy
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physical units
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physics puzzle
Dmitri Mendeleev
A profile of scientist Dmitri Mendeleev as a Russian chemist and chemical educator. He is credited for his discovery of the Periodic Table of Elements.
dmitri mendeleev
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russian chemist mendeleev
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mendeleev periodic table of elements
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scientist dmitri mendeleev
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mendeleev chemist and chemical educator
My Face to the Wind, and other Books about Teachers
During Teacher Appreciation Week, teachers and parents may be looking for some great books about teachers to share with their students. Here are a few to consider.
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