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The Key to the Periodic Table of Elements
Transcript of The Key to the Periodic Table of Elements
of the box are called the
symbol. It is used to tell
each element apart. For example, Oxygen's symbol is the capital letter O. This Prezi will teach you
what all of the letters and
numbers mean on any
square on a Periodic Table. The word below the
symbol is, simply, the
full name of the element. The numbers below that
represent the atomic mass,
the mass of the element.
Rounded, Oxygen's is 16. The number at the top of the square
represents the atomic number. The
atomic number is equal to how many
neutrons are in the element. And, last but not least,
these numbers represent
how many protons and
electrons are in this
element. Added with the
number of neutrons, they
come out to the mass of
the element, 16. Let's review:
The big letter in the middle is the symbol of the element.
The word under the symbol is the element's name.
The number under that is the element's mass.
The number at the top left is how many neutrons are in the element.
The numbers at the top right represent how many protons and
electrons are contained within the element, and when combined the
neutrons, protons and electrons equal the mass of the element, which in this case is Oxygen. Thanks for watching! Welcome!