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Chemistry ESL quiz 1

Horizontales
A group of atoms that are chemically bonded.
The process or way in which something is put together.
Electrons orbit the nucleus in an imprecise region called the electron cloud.
Single kind of matter that cannot be separated into other kinds of matter by any physical means.
The shape of the area in which electrons are most likely to be found.
The positive part of an atom.
A pure substance that is made from a single type of atom.
The smallest part of a substance that cannot be broken down any more.
Verticales
Anything that has mass and takes up space; the material that makes up everything around us.
Atoms stick together.
The energy that holds atoms and molecules together.
A substance in which two or more substances are mixed but not chemically joined together.
A group of atoms of at least two different elements that are chemically bonded.
The negative part of an atom.
A trait or quality of a substance, person, or thing.
The neutral part of an atom.
To move around another object.