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Peridoic Table
Vocabulary atoms and elements
Term | Definition |
---|---|
matter | anything that has mass and takes up space. |
mass | the material that matter is made up of. |
space/volume | the specific area/place that matter takes up. |
density | d=m/v the amount of mass in a specific volume of space. |
atom | smallest part of an element,the building blocks of all matter. |
proton | particle of an atom with a positive charge located inside the nucleus. |
electron | particle of an atom with a negative charge, it moves around the nucleus and has an attractive force that allows it to bond with other atoms. |
neutron | particle of an atom with a neutral/no charge located inside the nucleus along with the proton. |
periodic table | large grid that identifies and classifies all of the elements by their chemical and physical properties. |
element | the simplest substances that cannot be broken down/ they make up all matter in the universe. |
periods/rows | rows that tell how many energy levels each elements has for the electrons to move around |
groups or family/columns | columns that tell how many valence electrons have. |
valence electrons | the electron that move on the outter shell. |
atomic number | how many protons an element has inside the neclues. |
atomic mass | the measurement of the mass for an elements atoms. |
chemical property | the ability of substances to combine with one another forming new and different substances |
physical property | the appear and state of matter of a substance |
ionic bond | when elements either loose or gain an electron |
covenant bond | the process of elements sharing electrons during bonding. |
chemical change/reaction | when elements bond together from the attractive force of electrons,creating a new object/substance |
compound/molecule | objects mixed to turn into a whole new substance,chemically combined. |
mixture | objects that are mixed together but not chemically changed. ex: a salad |
Nobel gases | |
Halogens | |
Alkali Metals | |
Metalloids |