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Molecules

Across
The charge of a proton
This element has 8 protons
The smallest unit of matter
A molecule formed with 2 or more atoms of the same elements
Floats around the nucleus
The center of an atom. Made of a proton and neutron
A compound molecule made of 1 oxygen and 2 hydrogen
Down
A molecule formed with 2 or more atoms of differrent elements
A group of elements bonded together
This element has 2 protons
A substance whose atoms all have the same number of protons
____ are living things that make up organisms. Made of atoms
The electrons are _____ than protons
The charge of a nuetron