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unit b-2 scienc

These cards I made will be used to study for the unit B-2 quiz.

TermDefinition
state of matter the type of matter a substance is which could be either, liquid, gas, or solid
solid a state of matter that has low energy, high attraction force, unchanging shape and volume
liquid a state of matter that has medium energy and attraction force and has a changing shape, but not a changing volume
gas a state of matter that has high energy and low attraction force, and has a changing volume and shape
atom the smallest piece of matter that still keeps the same properties of the original piece of matter
proton the sub atomic particle that is inside the nucleus and is what controls the element’s name
neutron the sub atomic particle that is inside the nucleus and affects the mass number of an atom
nucleus the part of the atom that is in the center and is made of both neutrons and protons
electron the sub-atomic particle that controls the reactivity level and the ion charge
electron cloud the space around the atom where the electrons are
valence electrons electrons on the outermost shell
The Periodic Table of Elements the scientific table that organizes all the known elements natural and not by putting them in groups based on their chemical properties
Reactivity a matter’s ability to react with other materials
atomic number number of protons in a single atom
mass number the number of particles in the nucleus of a single atom and is measured by AMU
atomic mass the average mass number of all the isotopes of a single element
Element a material that is used to make other materials and has to be on the periodic table
Created by: rajeevlives
 

 



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