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Chemistry Cards

Unit #1

A way for scientists to organize information about all of the elements that we know about according to their properties. The Periodic Table
This is the name that scientists call the element. Element Name
The number of protons AND the number of electrons contained in one atom of the element. Atomic Number
The number of protons and neutrons in the nucleus of one atom of an element. Atomic Mass
An abbreviation for a chemical element. These always have one capital letter and are based on the element’s Latin name. Chemical Symbol
A ROW in the periodic table (moves from left to right) Period
A column in the periodic table (moves up and down). Group/family
The study of matter and how it changes Chemistry
Located in the nucleus of the atom. They have a neutral charge Neutrons
Anything that is made of atoms. It has mass and volume (takes up space) MATTER
Located in the electron cloud of the atom. They have a negative charge Electrons
The smallest unit of an element that has all the properties of the element. It’s the basic building block of matter Atom
Any substance that has a definite composition. Chemicals
A substance that cannot be broken down into a simpler substance by ordinary chemical means Element
Chemicals that are found in nature. NATURAL
Located in the nucleus of the atom. They have a positive charge Protons
Chemicals that are made by people SYNTHETIC
Two or more elements that have chemically combined Compounds
A metal bonded to a nonmetal Ionic compounds
A combination of two or more substances that HAVE NOT been chemically combined. Mixture
Bonds that form when two metals SHARE electrons Metallic bonds
Bonds that form when two nonmetals SHARE electrons Covalent bonds
A mixture that looks the same throughout. Homogenous
A mixture where you can see the different pieces. Heterogenous
A substance made by dissolving one substance in another SOLUTION
The stuff that is dissolved SOLUTE
The substance that does the dissolving SOLVENT
A substance’s ability to dissolve in a solvent Solubility
The amount of matter something contains Mass
The amount of space it occupies Volume
Measurable physical property that is found by dividing the mass of an object by its volume Density
Cannot change its shape or its volume. The particles fit together and don’t move around Solid
Can change its shape but not its volume. The particles are close together and stay touching when they move Liquid
Can change its shape and its volume. The particles are moving really quickly and bounce off each other Gas
Matter characterized by very energetic electrically charged particles Plasma
The temperature at which a solid changes to a liquid Melting Point
The temperature at which a liquid changes into a solid Freezing Point
The temperature at which a liquid changes into a gas Boiling Point
The amount of energy it takes to change the temperature of a substance by 1 degree Celsius Specific Heat
Metals are able to be hammered into thin sheets and made into shapes Malleability
Metal materials are able to stretched into wire without breaking Ductility
A force of attraction or repulsion of materials Magnetism
The ability of an object to transfer heat or electricity to another object Conductivity
A material that doesn’t conduct heat or electricity Insulator
Created by: 141302660