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Bio 2A

Horizontales
A negatively charged ion.
This is the type of change in matter is easy to reverse.
Anything that occupies space and has mass.
A pure substance made of two or more elements
Basic building blocks of matter.
Located in the outermost shell of an atom.
The neutral component of an atom, located inside the nucleus.
The branch of science that deals with the substances that make up matter.
The tendency for energy to disperse.
Verticales
Negatively charged particle of an atom, which orbits the atom's nucleus.
A type of bond that occurs when atoms share the electrons in their outer shell.
Positively charged particle of an atom, located in the nucleus.
The smallest part of a covalent compound.
The smallest part of an ionic compound.
The part of an atom that contains the protons and the neutrons.
This type of change in matter is difficult to reverse.
An electrically charged atom, from the loss or gain of electrons.
A positively charged ion.
The ability to do work.
Pure substances made of only one kind of atom.
Stored chemical energy that holds two atoms together.