Atoms
What is the smallest unit of an element that maintains the properties of an element?
Atoms
Any substance that has mass and takes up space
matter
What are the three states of matter?
A substance made of two or more elements chemically combined in a set ratio or proportion?
Compound
Two or more bonds chemically combined?
Molecules
What particle in the atom has no charge?
Neutrons
The measure of mass in a given volume
What goes from gas to liquid
condensation
Made from two or more substances that are in the same place but NOT chemically combined?
Mixture
Type of bond that is attracted to opposite charged ions?
Ionic Bond
What three subparticles make up an atom?
Proton, Neutron and Electron
The amount of matter in an object or substance
Mass
Odor, taste and color are what kind of properties.
Physical properties
What are two types of changes that matter goes through
Chemical and Physical
Type of bond that share electron pairs between atoms?
Covalent Bonds
Where are the electrons located?
Energy shells
The measure of space on an object or substance
Volume
Tarnishing, rusting and flammability are what kind of properties
Chemical properties
A change that produces a new substance?
Chemical change
Type of bond that form between metal and nonmetal?
Ionic Bond
What are the two particles in the nucleus?
Proton and Neutron
The measure of gravitational force on an object?
Weight
What is a change in state?
Physical
What term describes a chemical reaction that releases heat energy?
Exothermic reaction
Which bond is much weaker?
Covalent Bond