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molecules & compounds

Author: Jake
Across
Two or more elements chemically combined
The shape of a molecule or compound with three atoms. looks like an upside down V
The shape of a molecule or compound with two atoms. looks like a barbell
The basic building block of all matter. all matter on earth is composed of various combinations of these. cmposed of a nucleus (with protons and neutrons) and energy levels (or orbits) with electrons
The smallest part of a substance that has all the properties of a substance. two or more atoms that are joined together
Down
One sodium atom with one chlorine atom
A type of matter made up of only one kind of atom that cannot be broken down into other substances
The shape of a molecule with four atoms
One carbon atom combined with one chlorine atom.
Representation of an object that otherwise might be too large or too small to observe directly
Two hydrogen atoms combined with one oxygen atom
Anything that occupies space and has mass