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Atom Vocab

QuestionAnswer
Neutron Particle same as proton but no electric charge in them.
Compound Made from two different atoms
Alloy a metal made by combining two or more metallic elements
Alkaline earth metals any of the elements beryllium, magnesium, calcium, strontium, barium,
Covalent Compound Compound Two Non-Metals
Ionic compound Metal and a Non-Metal
Molecule Two or more atoms combined
Halogens Combine easily and really reactive non-metals
alkali metals any of the elements lithium, sodium, potassium, rubidium, cesium, and francium,
Noble Gases any of the gaseous elements helium, neon, argon, krypton, xenon, and radon,
Density Measurement of the mass
Ductile Can be drawn to a thin wire
Malleable Smashed without Crumbling
Corrosive To destroy a metal
Luster Shiny
Atom Particle that is made out of mostly everything.
Element When something is made up of one kind of atom.
Proton Has a positive charge
Electron Has a negative charge
Matter everything is made of
Chemical properties of metals corrode easy (rust), some very reactive
Physical properties of metals luster, good conductor of heat & electricity, high density, high melting point, ductile, used for electrical wiring
What are most abundant element(how many are there) metals 88
Group group
Period period
Chemical property a characteristic of a substance where it can undergo a chemical reaction and become something new
Physical property a characteristic of a substance that does not change
Elements are organized and based on what two properties Elements are organized and based on what two properties
Atomic mass - atomic number = # of neutrons
Atomic number = # of electrons or protons
Atomic number = # of protons or electrons
Atomic structure Details about each element's ___________ _______ can be found from periodic table
The Periodic Table of Elements elements are organized into the ________ _____
Electron Has small particles, negative charge, found outside of the nucleus, move quickly around outside of nucleus
Proton Made of large particles, have positive charge, found in nucleus
Neutron Made of large particles, has no charge (neutral) found in the nucleus of an atom
3 subatomic particles of an atom proton, electron, neutron
How are matter, element and atom related All matter is made of elements, which are made of atoms!
An ____ is the smallest part of an element keeping all its properties atom
An ______ is matter made of only one type of atom element
physical properties of non metals dull, good insulator, poor conductor, brittle (breaks easy), low density
Created by: Jerry.Reese23