Smallest Particle of an element
Atoms
Identifies the element on Periodic table. Often is two letter abbreviations in English
Chemical Symbol
Horizonal rows on the periodic table of elements.
Periods
Gas like state of matter which is free electrons and nuclei of atoms that have been stripped of electrons
Plasma
Unique number of protons in the nucleus of an atom that identifies the element
Atomic Number
Material that can be pulled out or drawn into a long wire
Ductile
Positively charged particles in a nucleus
Protons
Most are hard and shiny such as copper and conduct electricity well
Transition Metals
Atoms with the same number of protons and a different number of neutrons
Isotopes
The ease and speed in which an element combines with another element
Reactivity
Russian scientist who first published the periodic table of the elements
Dmitri Mendeleev
the movement of the nuclei faster and faster until they reach very high speeds
Particle accelerators
Tiny region in the center of the atom
Nucleus
Metals when reacting with other metals that lose 1 electron
Alkali Metals
Table of basic elements categorized by their properties in a row or table. It contains over 100 elements
Periodic Table
The destruction of metal
Corrosion
The sum of the protons and neutrons in the nucleus of an atom
Mass Number
identified based on its properties
Metals
An electron’s specific amount of energy
Energy Level
Elements that lack properties of a metal
Non metals
The average mass of all the isotopes of an element
Atomic Mass
When two nuclei of atoms combine
Nuclear Fusion
Or families consist of elements with similar characteristics
Groups
The ability of an object to transfer heat or electricity
Conductivity
Particles that is electrically neutral
Neutron