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Periodic Table

Jordan Byrne

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1.The number of protons in the nucleus of an atom. (2 Words)
3.The amount of time it takes for half the nuclei of a radioactive isotope to decay into forms of another element.
5.A table of the elements, arranged by (2 Words)
8.A vertical column in the periodic table.
9.A Horizontal row in the periodic table.
10.The average mass of the atoms of an element. (2 Words)
14.A negatively charged particle located outside an atom's nucleus.
16.An atom or group of atoms that has a positive or negative electric charge.
17.Likely to undergo chemical change.
2.An orbit followed by electrons around an atom's nucleus. (2 Words)
4.An element that has properties of both metals and non-metals.
6.The process by which the nucleus of an atom of an element realeases energy and particles.
7.An atom of one element that has a different number of neutrons than another atom of the same element.
9.A positively charged particle located in an atom's nucleus.
11.A particle that has no electric charge and is located in an atom's nucleus.
12.The central region of an atom where most of the atom's mass is found in protons and neutrons
13.An element that is not a metal and has properties oposite of a metal.
15.An element that tends to be shiny, easily shaped, and a good conducter of heat, and electricity.

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