Chemical Reactions 

Neutron

________: a subatomic particle that has no charge and that is found in the nucleus of an atom.

Proton

________: a subatomic particle that has a positive charge and that is found in the nucleus of an atom.

Macroscale

________: When seen with the naked eye, dont need a microscope.

Property

________: Something that can be observed about a substance.

Groups of atoms

________ repeat to make up a substance.

Isotope

________: an atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons.

Chemical Reaction

________: A process in which atoms rearrange to form new substances.

Scale

________: The relative size of things.

Product

________: An ending substance that is made during a chemical reaction.

Substances

________ have different properties because they 're made of different groups of atoms.

Chemical Bond

________: an interaction that holds atoms or ions together.

Microscale Atomic Scale

________: Can be seen only with a microscope.

Rearrange

Chemical Reaction: A process in which atoms ________ to form new substances. ________: To change the order or position of something.

Different substances

________ have both different physical and chemical properties.

Physical Property

________: Things about a substance which you can use your senses to gain information.

Reactant

________: A starting substance that is part of a chemical reaction.

Chemical Property

________: any of a material's properties that becomes evident during, or after, a chemical reaction.

Ions

________: a charged particle.

Atomic Number

________: the number of protons in the nucleus of an atom.

Ionic Bond

________: a bond that forms when electrons are transferred from one atom to another, which results in a positive ion and a negative ion.

Substance

________: Something that is made of all the same atoms or groups of atoms.

Physical Property

________: a property of matter not involving in its manifestation a chemical change.

Chemical Property

________: characteristic of a particular substance that can be observed in a chemical reaction.