Vocab for Matter and Eleets

Term Definition
Matter anything that takes up place.
Mass The material that matter is made up of.
Density D=/v the amount of mass in a volume place.
Electron Particle of an atom with a negative charge, moves around the nucleus and has a attractive force.
Atom smallest part of a element and building block of matter.
Periodic table Large grid that identifies and classifies all of the elements by their chemical and physical properties.
Proton Particle of an atom with a positive charge located inside of the nucleus.
Neutron particle of an atom with a neutral / no charge located inside the nucleus.
Elements The simplest substance that cannot be broken down / they make up their chemical and physical properties.
Groups or Family/ Columns Columns that tell how many valence electrons each element has / energy level
Periods/Rows rows that tell how many energy levels each elements has for electrons to move around.
Valence Electrons the electrons that move on the outer shell / energy level.
Atomic number how many protons an elements has inside the nucleus usually is the same number of neutrons and electrons.
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 compounds and compounds.
Physical properties the state of matter and appearance of a substance.
Iconic bond when elements either lose or gain an electrons during bonding.
Chemical change / reaction elements bond together through the attractive force of electrons creating some type of reaction and change.
Compounds and Molecule two or more elements combined together in a specific ratio/pattern creating a whole new substance

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