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Chapter 2 - Chemistry

Across
Pure substance that cannot be broken down chemically into simpler forms
2 hydrogen and 1 oxygen atom
Area where electrons orbit
Number of protons and neutron in the nucleus of an atom
Particle of an atom with No charge
A compound that has an uneven distribution of electrons between atoms
Pure substance made up of atoms with 2 or more types
Occurs when atoms have unfilled energy levels
Bonds that transfer electrons
The attraction of like substance
Where atoms bond
The charge of an atom that has lost an electron
The quantity of matter an object has.
Positively charged particle of an atom
Anything that has mass and takes up space
Down
Negatively charged particle of an atom
The attraction of un-like substances
The force that moves water up roots to stems and leaves.
Total number of protons in the atom
This atom has a slight positive charge in the make up of a water molecule
The charge of an atom that has gained an electron
Bonds that share electrons
This atom has a slight negative charge in the make up of a water molecule
Middle portion of the atom
Simplest particle of an element
An element that does not contain the original number of neutrons