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Periodic Table

By Adelinn Banzaca
pd. 5 
1-23-17
Across
The name of a horizontal row on the periodic table.
He formulated the Periodic Law, created a farsighted version of the periodic table of elements.
If there's more protons than neutrons in an atom, it is (blank).
The number of protons and neutrons in an atom.
Group #1 in the Periodic Table.
The 6 elements that make up humans.
Two or more different atoms chemically bonded together.
There are 118 of these on the Periodic Table.
Contributioned to understanding atomic structure and quantum theory.
In some, the binding energy is not strong enough to hold the nucleus together, and the nuclei of these are said to be (blank). (blank) atoms will lose neutrons and protons as they attempt to become stable.
This has a net charge of 0. In other words, it has an equal number of protons and electrons.
Down
Element #1 on the periodic table.
Another name for the groups on a periodic table.
Neutral charged part of an element.
An abbreviation or short representation of a chemical element; the symbols in the periodic table.
The number of protons in the nucleus of an atom.
Negatively charged part of an element.
The basic unit of a chemical element.
Positively charged part of an atom.
Group 18 on the periodic table, they're stable.