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Science Vocab

The basic particle from wish all matter is made. Atom
Matter made of atoms of only one kind. Element
Center part of an atoms, containing, protons and neutrons that make up most of an atom's mass. Nucleus
A ring that might has Electron. Electron Shell
Positive Charge. Located in the nucleus. Proton
No charge. Located in the nucleus. Neutron
Negative charge. Located in the electron cloud around the nucleus. Electron
The numbers of protons in the nucleus of an atom. Atomic Number
The average mass of all isotopes of an element. Atomic Mass
If I have 1Electron I have 1Proton. Valence Electron
A hard substance such as iron, steel, gold or lead. Metal
Any of a number of chemical element that form negative irons, have acidic osides, and are generally poor conductors of heat and eletricity. Nonmetal
A nonmetalic element, such as arsenic or silicon, that has some of the properties of a metal. Metalloid
Elements in the same vertical column of the periodic table. Group
Smaller subdivision of geologic Eras. Period
Matter made of atoms of only one kind. Element
Those elements having a pariatly filled d or f subshell in any common oxidation state. Transition Elements
An element whose highest occupied s or p sublevels are partically filled. Representative Elements
Created by: s1200120