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17 Cards in this Set
- Front
- Back
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Atom
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The smallest particle of an element,building block of matter.
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Atomic Number
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The number of protons found in the nucleus of an atom.
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Electron
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A negatively charged particle that moves in an orbit shell outside
an atom’s nucleus. |
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Energy Level
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Electrons are found in paths around an atoms nucleus,witch is an energy level.
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Proton
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A positively charged particle in an atoms nucleus.
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Nucleus
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The control center of a cell.
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Family/Group
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A vertical column in a periodic table that contains similar element qualities.
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Chemical Symbol
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1 or 2 letter initial that represents the name of a chemical element.
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Mass Number
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total number of protons and neutrons in a nucleus.
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Neutron
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A particle within an atom’s nucleus that had no
Electrical charge. |
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Period
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Horizontal column in the period Table that represents the energy level of an element.
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Periodic table
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A table of all of the elements Aranged by a number and grouped according to similar properties.
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Bohr Diagram
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A diagram that shows the number of protons and neutrons in a nucleus that are orbited by inner levels and electrons.
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Isotope
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atoms of the same element that have different numbers of neutrons in their nuclei.
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Metalloid
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an element with properties of both metals and non-metals.
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Metal
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any element on the left side of the periodic table,except hydrogen;good conductors of electricity
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Non-Metal
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an element that lacks the characteristics of a element;elements on the right side of of the periodic table.
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