States of matter
What is it when the molecule are close together and vibrating.
What is a solid?
Group one of the periodic table.
What is Alkali Metals.
The center of an atom.
What is Nucleus?
what is mass divided by volume
What is density.
a reaction that changes the molecular structure of a substance or item.
What is chemical reaction?
What is it when the molecules are in pairs of two and slip over each other.
What is a liquid?
The rows on the top of the table.
What is Groups?
The neutral charge in the nucleus.
What is neutron?
What is density times volume.
What is mass?
Any properties that change during a chemical reaction.
What is a chemical property?
When the molecules are very spread out float around.
What is a gas?
The rows on the side of the periodic table.
What is period?
The negative charge in an atom.
What is electron?
What is mass divided by density.
What is volume?
An irreversible change.
What is a chemical change?
What is it when a solid changes to a liquid.
What is meting?
The family of bromine and in group 17.
What is Halogens?
The positive charge in an atom.
What is proton?
large body of matter with no definite shape.
What is Mass?
A symbolic representation of a chemical equation
What is chemical equation
When a liquid changes to a solid.
What is freezing?
Any of the gaseous elements in group 18.
What is noble gases?
The rings that electrons are held on.
Mass can not be created or destroyed.
What is law of conservation of mass?
A rule expressed in symbols
What is a chemical formula?