Vocabulary for Matter and Elemaents

Term Definition
Matter anything that takes up space
mass the materiel that matter is made up
volume how much space matter takes up
denstity the amount of stuff takes up within a specific space
atom smallest part of an element, the building block matter
electron a subatomic particle, symbol e? or B?, with a negative elementary electric charge.
proton particle of an atoms that positive charge located in the nucleus
neutron particle of an atom located in the nucleus with a neutral or no change
periodic table a large grid that identifies and classify all of the elements on the chart by their chemical and physical and chemical properties
element the simplest substance that cant be broken down into pieces
periods/rows rows that tell how many energy levels each elements has for the electrons move around
groups of family/columns columns that tell how many valence electrons each element has
valence electrons the electrons that move on the outer shell
atomic number how many protons an element has inside the nucleus
atomic mass the measurement of the mass for elements atoms
chemical property the ability of a substance to mix with one another forming new and different compounds and molecules
physical property A physical property is any property that is measurable, whose value describes a state of a physical system.
ionic bond In other words, an ionic bond is the electrostatic force of attraction between two oppositely charged ions.
covalent bond A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
chemical change Chemical change is any change that results in the formation of new chemical substances.
compound A compound is a molecule made of atoms from different elements.
mixture two substance mixed together.
compound A compound is a molecule made of atoms from different elements.
halogens any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table.
alkali metals Alkali metals are the chemical elements found in Group 1 of the periodic table.
metalloids an element whose properties are intermediate between those of metals and solid nonmetals.

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